Roll src/third_party/angle 021bad40ff8b..9bf86f07acd5 (4 commits)

https://chromium.googlesource.com/angle/angle.git/+log/021bad40ff8b..9bf86f07acd5


git log 021bad40ff8b..9bf86f07acd5 --date=short --no-merges --format='%ad %ae %s'
2018-07-27 geofflang@chromium.org Don't sync the read framebuffer on draw calls.
2018-07-27 lrn1986@gmail.com Support EGL_(WIDTH|HEIGHT) in eglSurfaceAttrib(), fixed resize
2018-07-27 jmadill@chromium.org D3D: Return error from getVertexSpaceRequired.
2018-07-27 jmadill@chromium.org D3D: Pass gl::Context to many more functions.


Created with:
  gclient setdep -r src/third_party/angle@9bf86f07acd5

The AutoRoll server is located here: https://angle-chromium-roll.skia.org

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

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
TBR=geofflang@chromium.org

Change-Id: I1ef966bf7450d269cf65820f935cb9ca81e37c81
Reviewed-on: https://chromium-review.googlesource.com/1153508Reviewed-by: angle-chromium-autoroll <angle-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: angle-chromium-autoroll <angle-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#578765}

DEPS

@@ -117,7 +117,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ANGLE
   # and whatever else without interference from each other.
-  'angle_revision': '021bad40ff8b064d073eb74a5cf37cb29c5ae2e8',
+  'angle_revision': '9bf86f07acd523875b88920c3b6ad1c632e7c0bd',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling build tools
   # and whatever else without interference from each other.