We want the counts in M56-beta, at the same time Android mouse event change (https://docs.google.com/document/d/1mpBR7J7kgTXvp0QACVjhxtwNJ7bgGoTMmxfxN2dupGg/edit?usp=sharing) goes live, to be able to assess the risk before something comes up.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/097c9551cffc40afcb8a4cbd78d06f6523f412d6

commit 097c9551cffc40afcb8a4cbd78d06f6523f412d6
Author: mustaq <mustaq@chromium.org>
Date: Fri Dec 02 23:07:02 2016

Added UMA counters for Android tool-types.

BUG= 668248 

Review-Url: https://codereview.chromium.org/2536413003
Cr-Commit-Position: refs/heads/master@{#436069}

[modify] https://crrev.com/097c9551cffc40afcb8a4cbd78d06f6523f412d6/content/browser/android/content_view_core_impl.cc
[modify] https://crrev.com/097c9551cffc40afcb8a4cbd78d06f6523f412d6/tools/metrics/histograms/histograms.xml
[modify] https://crrev.com/097c9551cffc40afcb8a4cbd78d06f6523f412d6/ui/events/gesture_detection/motion_event.h

Your change meets the bar and is auto-approved for M56 (branch: 2924)

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/ee99ab8496faa85a4986ab7f8dc7ec1044eff379

commit ee99ab8496faa85a4986ab7f8dc7ec1044eff379
Author: Mustaq Ahmed <mustaq@google.com>
Date: Mon Dec 05 15:10:07 2016

Added UMA counters for Android tool-types.

BUG= 668248 

Review-Url: https://codereview.chromium.org/2536413003
Cr-Commit-Position: refs/heads/master@{#436069}
(cherry picked from commit 097c9551cffc40afcb8a4cbd78d06f6523f412d6)

Review URL: https://codereview.chromium.org/2551023003 .

Cr-Commit-Position: refs/branch-heads/2924@{#329}
Cr-Branched-From: 3a87aecc31cd1ffe751dd72c04e5a96a1fc8108a-refs/heads/master@{#433059}

[modify] https://crrev.com/ee99ab8496faa85a4986ab7f8dc7ec1044eff379/content/browser/android/content_view_core_impl.cc
[modify] https://crrev.com/ee99ab8496faa85a4986ab7f8dc7ec1044eff379/tools/metrics/histograms/histograms.xml
[modify] https://crrev.com/ee99ab8496faa85a4986ab7f8dc7ec1044eff379/ui/events/gesture_detection/motion_event.h