Roll src/third_party/angle 5f388c245293..efec568b26ce (4 commits)

https://chromium.googlesource.com/angle/angle.git/+log/5f388c245293..efec568b26ce


git log 5f388c245293..efec568b26ce --date=short --no-merges --format='%ad %ae %s'
2019-04-06 syoussefi@chromium.org Expand clear tests for more mask combinations
2019-04-06 syoussefi@chromium.org Vulkan: break dependency to the depthClamp feature
2019-04-06 syoussefi@chromium.org Vulkan: fix masked stencil clear
2019-04-05 tobine@google.com Vulkan:Return HW's SUBPIXEL_BITS


Created with:
  gclient setdep -r src/third_party/angle@efec568b26ce

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: Ia8fc14299b835e6bb424eb96ca3a023916c242dd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1556461Reviewed-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@{#648479}

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': '5f388c24529334c694e245be69226581a01d1622',
+  'angle_revision': 'efec568b26ce6db50a5254a9c5be98f563112ba6',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.