Revert of [Android] Fix a flicker in stopping Chrome (patchset #11 id:200001 of https://codereview.chromium.org/
843883002/)
Reason for revert:
Caused regression with lockscreen battery consumption.
Original issue's description:
> [Android] Fix a flicker in stopping Chrome
>
> Currently, we draw a blank frame as we release resources in onStop().
> This can be prevented if we hide the tab when the window gets hidden instead of
> on activity stop.
>
> BUG=434401
>
> Committed: https://crrev.com/
e4b1990c9d49fd9734940fa863513ad43b82c6e7
> Cr-Commit-Position: refs/heads/master@{#311809}
TBR=tedchoc@chromium.org,dtrainor@chromium.org,yusufo@chromium.org,aelias@chromium.org,sievers@chromium.org,changwan@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=434401
Review URL: https://codereview.chromium.org/
990183004
Cr-Commit-Position: refs/heads/master@{#319713}