Hi,

 I wanted to merge below changes to M70 branch. These changes are behind a feature flag and is enabled for only dev and canary as of now. So it should not cause any bugs on merge. Also this is tested in canary.

Can you please merge the below change.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/2364c68c3dca2b4fe489362c703355dfc210d07f

commit 2364c68c3dca2b4fe489362c703355dfc210d07f
Author: Vikas Soni <vikassoni@chromium.org>
Date: Fri Aug 31 02:22:21 2018

Disable AImageReader on ARM GPU devices.

Add gpu driver workaround to disable AImageReader on devices which have
ARM GPU.

Bug: 838725
Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
Change-Id: Ia60d5ee9e16a4f309a99d04212af245411319040
Reviewed-on: https://chromium-review.googlesource.com/1194680
Commit-Queue: vikas soni <vikassoni@chromium.org>
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Reviewed-by: Martin Barbella <mbarbella@chromium.org>
Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Reviewed-by: agrieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/master@{#587919}
[modify] https://crrev.com/2364c68c3dca2b4fe489362c703355dfc210d07f/base/android/android_image_reader_compat.cc
[modify] https://crrev.com/2364c68c3dca2b4fe489362c703355dfc210d07f/base/android/android_image_reader_compat.h
[modify] https://crrev.com/2364c68c3dca2b4fe489362c703355dfc210d07f/gpu/config/gpu_driver_bug_list.json
[modify] https://crrev.com/2364c68c3dca2b4fe489362c703355dfc210d07f/gpu/config/gpu_workaround_list.txt
[modify] https://crrev.com/2364c68c3dca2b4fe489362c703355dfc210d07f/gpu/ipc/common/android/surface_owner_android.cc
[modify] https://crrev.com/2364c68c3dca2b4fe489362c703355dfc210d07f/gpu/ipc/service/gpu_init.cc
[modify] https://crrev.com/2364c68c3dca2b4fe489362c703355dfc210d07f/media/gpu/android/texture_owner.cc