Link to bot: https://uberchromegw.corp.google.com/i/chromium.linux/builders/Android%20Tests%20(dbg)

Log contains:
Android Test (dbg) has turned red, with failures:
C  860.211s Main  [  FAILED  ] org.chromium.chrome.browser.precache.PrecacheControllerTest#testDeviceStateChangeCancels
C  860.211s Main  [  FAILED  ] org.chromium.chrome.browser.precache.PrecacheControllerTest#testTimeoutCancelsPrecaching
C  860.211s Main  [  FAILED  ] org.chromium.chrome.browser.precache.PrecacheControllerTest#testTimeoutDoesNotCancelIfNotPrecaching (UNKNOWN)
C  860.211s Main  [  FAILED  ] org.chromium.chrome.browser.precache.PrecacheLauncherTest#testUpdateEnabled_Disabled_ThenEnabled (UNKNOWN)
C  860.211s Main  [  FAILED  ] org.chromium.chrome.browser.precache.PrecacheLauncherTest#testUpdateEnabled_SyncNotReady_ThenEnabled (UNKNOWN)

The suspect CL is:
https://codereview.chromium.org/2137593002/

and has been reverted...

I've assigned this bug to the owner of the CL.