Roll src/third_party/angle e3c25715ec2b..5f857839b9ec (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/e3c25715ec2b..5f857839b9ec

git log e3c25715ec2b..5f857839b9ec --date=short --first-parent --format='%ad %ae %s'
2019-12-05 ianelliott@google.com Improve current multisampled renderbuffer/texture support
2019-12-04 syoussefi@chromium.org Remove build_apk_secondary_abi from gn files

Created with:
  gclient setdep -r src/third_party/angle@5f857839b9ec

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 geofflang@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: geofflang@google.com
Change-Id: I5337d739c66aad50ebf2a493a6ef2da6958f08f5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1950267Reviewed-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@{#721860}

DEPS

@@ -184,7 +184,7 @@ 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': 'e3c25715ec2b68f9dbdd0b7489c6b6d02c336dc1',
+  'angle_revision': '5f857839b9ece789d3e3881395f898b4a5625b54',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.