Don't use Khronos headers from gpu code

Switching from Khronos headers to more approprite headers
primarily to avoid jumbo compilation problems but also
because it was wrong.

Bug: 864986
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: I9a7c33acfcc72133638c47ae370020331c445ac9
Reviewed-on: https://chromium-review.googlesource.com/1151630
Reviewed-by: Antoine Labour <piman@chromium.org>
Commit-Queue: Daniel Bratell <bratell@opera.com>
Cr-Commit-Position: refs/heads/master@{#578402}
2 files changed