Reduce maxGLActiveContexts to 8 on Android

Reduce maxGLActiveContexts to 8 on Android

This reduces the frequency of OOM errors due to allocating too many
large DrawingBuffers.

BUG=699606, 682490
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2735063006
Cr-Commit-Position: refs/heads/master@{#455565}
(cherry picked from commit 75ee3cee8e33bd1bcf4fb335b20acc04991448e8)

Review-Url: https://codereview.chromium.org/2739053003 .
Cr-Commit-Position: refs/branch-heads/3029@{#90}
Cr-Branched-From: 939b32ee5ba05c396eef3fd992822fcca9a2e262-refs/heads/master@{#454471}
Committed: https://chromium.googlesource.com/chromium/src/+/3d2264d80c9c0b146a6ace8046ed79cc6620d5c6

[Kai Ninomiya, 2017-03-09 18:53:36]

Description was changed from

==========
Reduce maxGLActiveContexts to 8 on Android

This reduces the frequency of OOM errors due to allocating too many
large DrawingBuffers.

BUG=699606,682490
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2735063006
Cr-Commit-Position: refs/heads/master@{#455565}
(cherry picked from commit 75ee3cee8e33bd1bcf4fb335b20acc04991448e8)
==========

to

==========
Reduce maxGLActiveContexts to 8 on Android

This reduces the frequency of OOM errors due to allocating too many
large DrawingBuffers.

BUG=699606,682490
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2735063006
Cr-Commit-Position: refs/heads/master@{#455565}
(cherry picked from commit 75ee3cee8e33bd1bcf4fb335b20acc04991448e8)

Review-Url: https://codereview.chromium.org/2739053003 .
Cr-Commit-Position: refs/branch-heads/3029@{#90}
Cr-Branched-From:
939b32ee5ba05c396eef3fd992822fcca9a2e262-refs/heads/master@{#454471}
Committed:
https://chromium.googlesource.com/chromium/src/+/3d2264d80c9c0b146a6ace8046ed...
==========

[Kai Ninomiya, 2017-03-09 18:53:37]

Committed patchset #1 (id:1) manually as
3d2264d80c9c0b146a6ace8046ed79cc6620d5c6.