Roll src/third_party/angle cb8b4a5716ba..3fe8c3a30396 (4 commits)

https://chromium.googlesource.com/angle/angle.git/+log/cb8b4a5716ba..3fe8c3a30396


git log cb8b4a5716ba..3fe8c3a30396 --date=short --no-merges --format='%ad %ae %s'
2019-07-09 geofflang@chromium.org Refactor the wait/signalSemaphore entry points to be on the Semaphore object
2019-07-09 shrekshao@google.com Fix regex parenthesis missing escaping backslash
2019-07-09 ianelliott@google.com Vulkan: Add support for GL_RGBA8-to-GL_RGB5_A1
2019-07-09 ianelliott@google.com Vulkan: Note that KHR-GLES3.texture_repeat_mode.* tests pass


Created with:
  gclient setdep -r src/third_party/angle@3fe8c3a30396

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=cwallez@chromium.org

Change-Id: I544a4a305b6720e75c19fd3ade12aa63e181dbcc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1693443Reviewed-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@{#675810}

DEPS

@@ -154,7 +154,7 @@ 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': 'cb8b4a5716ba08ec797010a6c9c247034db13c1f',
+  'angle_revision': '3fe8c3a3039670535efcc10527ff9cd1b5bf67df',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.