GitLab

Copy latest khronos EGL headers to pick up
eglGetFrameTimstampsANDROID.

Also copy over existing chromium-specific edits.

BUG=769415

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
Change-Id: Ibd9b185d568c9e714e664e7380e15138f30fc3d2
Reviewed-on: https://chromium-review.googlesource.com/703076Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Brian Anderson <brianderson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#506880}