All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=852523

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=3d3c6ef1e94eb89f4515c84632626c1fa7a1658aff2257689072f5ff636e2921


Bot(s) for this bug's original alert(s):

Android Builder Perf

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8943804289018957152

Here are the biggest contributing 50-commit sub-ranges:

From: cf453ab08ab1df252e6454128356dbf33344e43f
To: 32c61869c629d800bd3e91fe9f7656aec93b425c

MonochromePublic.apk_Breakdown (+81,927 bytes)
    +2,982 bytes Native resources (no l10n) size
    -2,860 bytes Zip Overhead
   +81,928 bytes Native code size
        -1 bytes Package metadata size
      -122 bytes Java code size
MonochromePublic.apk_Specifics
   +82,211 bytes normalized apk size
   +81,928 bytes main lib size
      +284 bytes main dex size
MonochromePublic.apk_Dex
        +1 entries fields
        +4 entries methods
        +1 entries types
        +1 entries strings

From: 74be4bc85264530ca32901400e3a50f9bf60dae3
To: 05191f367005cb174169d804625de5c39dfc89ce

MonochromePublic.apk_Breakdown (-39,824 bytes)
       +81 bytes Native resources (no l10n) size
    -2,107 bytes Zip Overhead
    +1,884 bytes V8 Snapshots size
   -39,820 bytes Native code size
        -4 bytes Package metadata size
      +142 bytes Java code size
MonochromePublic.apk_Specifics
   -39,820 bytes normalized apk size
   -39,820 bytes main lib size
        +4 bytes main dex size

From: df7770d8d2d9855eb05b8f6dc26099610bd7b1be
To: 30c4e5bc3613142bb4024e7273432a82137177d4

MonochromePublic.apk_Breakdown (+57,525 bytes)
    -2,486 bytes Zip Overhead
       +88 bytes Non-compiled Android resources size
    +1,912 bytes V8 Snapshots size
      -107 bytes Native resources (l10n) size
   +37,088 bytes Native code size
        +1 bytes Package metadata size
       +78 bytes Native resources stored (l10n) size
    +8,795 bytes Java code size
   +12,156 bytes Compiled Android resources size
MonochromePublic.apk_Specifics
   +73,602 bytes normalized apk size
   +37,088 bytes main lib size
   +16,048 bytes main dex size
MonochromePublic.apk_Dex
       +67 entries fields
      +147 entries methods
       +19 entries types
       +63 entries strings

(note that the second range is a decrease)

I'm starting a sweep on the first 50 commit range, with step size 5.

I 2593575 See detailed diff results here: out/binary-size-results/diffs/e41b7c535994de0d415b4a2a13d4de93674f1c4e..32c61869c629d800bd3e91fe9f7656aec93b425c/diff_results.txt

Diff Summary
    +69668 bytes MonochromePublic.apk_Specifics normalized apk size for range: 92bfde3a33ab261c8f38858c0dca28eb90444d4b..64e23b8c876dca16adc1812afe825ae7f90836f2
    +12642 bytes MonochromePublic.apk_Specifics normalized apk size for range: 64e23b8c876dca16adc1812afe825ae7f90836f2..079a988ab5daf52e9541dd3041f4cf477fa8aa7b
       +13 bytes MonochromePublic.apk_Specifics normalized apk size for range: 995548dc9cc5d04dd62d56d6365f56a2af2c0e8a..302db4754d416e45eda6755b9ecdb0787e9c8490
        +6 bytes MonochromePublic.apk_Specifics normalized apk size for range: 079a988ab5daf52e9541dd3041f4cf477fa8aa7b..995548dc9cc5d04dd62d56d6365f56a2af2c0e8a
        +3 bytes MonochromePublic.apk_Specifics normalized apk size for range: 23ea4334967e4841d7fad9b4f557e5fecd813c4d..e41b7c535994de0d415b4a2a13d4de93674f1c4e
        +0 bytes MonochromePublic.apk_Specifics normalized apk size for range: 302db4754d416e45eda6755b9ecdb0787e9c8490..038b85fb53805bc4e8a738d866ecc9e102813338
        +0 bytes MonochromePublic.apk_Specifics normalized apk size for range: 038b85fb53805bc4e8a738d866ecc9e102813338..23ea4334967e4841d7fad9b4f557e5fecd813c4d
        -2 bytes MonochromePublic.apk_Specifics normalized apk size for range: e41b7c535994de0d415b4a2a13d4de93674f1c4e..32c61869c629d800bd3e91fe9f7656aec93b425c
       -85 bytes MonochromePublic.apk_Specifics normalized apk size for range: af684eb199c6ee1de118c54d5ea95af5e4a215bd..92bfde3a33ab261c8f38858c0dca28eb90444d4b

+73716 bytes from:

commit f0739e861b6debbe47b69938999af5b3e51347b6
Author: afdo-chromium-autoroll <afdo-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Date:   Fri Jun 8 21:39:18 2018 +0000

    Roll AFDO from 69.0.3451.0_rc-r1 to 69.0.3453.0_rc-r1

Splitting up the second 50-change interval:

I   1509 See detailed diff results here: out/binary-size-results/diffs/17573c429dad1deee0c668f3933efc21e6b61a3a..30c4e5bc3613142bb4024e7273432a82137177d4/diff_results.txt

Diff Summary
    +22941 bytes MonochromePublic.apk_Specifics normalized apk size for range: a60f7661bc3b3b2a9d8656e6b38d634c209538f1..bf19da64902f00f096fbf36650161e04a8c38cae
    +20434 bytes MonochromePublic.apk_Specifics normalized apk size for range: 273cf09720958bdc83b75d7596ae5e0b1988310f..a60f7661bc3b3b2a9d8656e6b38d634c209538f1
    +12443 bytes MonochromePublic.apk_Specifics normalized apk size for range: f73dfaffea91c083fe003a96728df96d9e535493..b29235f115c67e2e3f5de82c6b7cb55d413a2710
    +12207 bytes MonochromePublic.apk_Specifics normalized apk size for range: b29235f115c67e2e3f5de82c6b7cb55d413a2710..e7a16b17e4d73077514144a064793bf3e832ecad

    +27308 bytes from:

commit ccad6929368005f86e4a5183990eea2ca3708383
Author: Joe Mason <joenotcharles@chromium.org>
Date:   Mon Jun 11 20:04:07 2018 +0000

    Run chrome_cleaner_unittests on all Windows bots.
    
    chrome_cleaner_gtests and chromium_win_fyi_gtests were removed in
    https://chromium-review.googlesource.com/1093159 because they didn't
    run anywhere. Add chrome_cleaner_unittests back and put it on all
    Windows bots.

+47742 bytes from:

commit 4be0c0fe4ac71d2d08d261a8e5e2f64d6ec94ed9
Author: afdo-chromium-autoroll <afdo-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Date:   Mon Jun 11 19:59:00 2018 +0000

    Roll AFDO from 69.0.3453.0_rc-r1 to 69.0.3455.0_rc-r1


-27308 bytes from:

commit a60f7661bc3b3b2a9d8656e6b38d634c209538f1
Author: Farah Charab <farahcharab@google.com>
Date:   Mon Jun 11 20:04:03 2018 +0000

    Finch: Add configs for waterfall testing.
    

Two of the commits in question here are odd:  +27308 bytes, then -27308, while neither change smells like a binary-impacting modification.  These need to be verified.

Interesting finding:  I cleaned my results, and re-ran the +27K commit.  This time, it yielded a 0-byte delta.  After the last of the 27K results was detected, I tried to manually sync, and hit a prodaccess-related failure.  So I wonder if the sync operation silently failed during the diagnose-bloat run, and yielded a pair of false results.  I'll file a separate bug against this.

Closing this off, as the regressions trace to AFDO rolls.