Roll src/third_party/angle 1af744b57c87..2889dff6991a (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/1af744b57c87..2889dff6991a


git log 1af744b57c87..2889dff6991a --date=short --no-merges --format='%ad %ae %s'
2019-04-03 jdarpinian@chromium.org Mac: Support using an IOSurface as the default framebuffer
2019-04-02 geofflang@chromium.org Vulkan: Have the WindowSurfaceVk own the submit semaphores.


Created with:
  gclient setdep -r src/third_party/angle@2889dff6991a

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

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=syoussefi@chromium.org

Change-Id: I4906e043537bf2edeca88925f8406e5dc894d5d4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1547968Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#647110}

DEPS

@@ -141,7 +141,7 @@ 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': '1af744b57c879e8ff2c96e4d0b2320cda5434bb8',
+  'angle_revision': '2889dff6991a710c52f8d8fdae567f107e5d2c1d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.