Roll src/third_party/angle 7939e367fa53..1288aa12369e (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/7939e367fa53..1288aa12369e

git log 7939e367fa53..1288aa12369e --date=short --first-parent --format='%ad %ae %s'
2020-03-30 geofflang@chromium.org Update the active texture cache before changing the texture binding.
2020-03-30 sugoi@google.com Add support for NV_read_depth, NV_read_stencil and NV_depth_buffer_float2 extensions

Created with:
  gclient setdep -r src/third_party/angle@1288aa12369e

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/angle-chromium-autoroll
Please CC cwallez@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

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-asan;luci.chromium.try:win_optional_gpu_tests_rel
Bug: None
Tbr: cwallez@google.com
Change-Id: I23aa84412132c62756bbe768f5b7d8f19c9767c9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2128850Reviewed-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@{#754739}

DEPS

@@ -187,7 +187,7 @@ 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': '7939e367fa53e4d730bd2af29791d876fac510a8',
+  'angle_revision': '1288aa12369e36c3413537a6cbef6b8e7260fe98',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.