Roll src/third_party/angle 41f6150edb16..9819e9ed7b10 (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/41f6150edb16..9819e9ed7b10

git log 41f6150edb16..9819e9ed7b10 --date=short --first-parent --format='%ad %ae %s'
2020-01-17 sugoi@google.com GL_EXT_read_format_bgra support
2020-01-17 sugoi@google.com GL_EXT_float_blend support

Created with:
  gclient setdep -r src/third_party/angle@9819e9ed7b10

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 jonahr@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: jonahr@google.com
Change-Id: I79e0563b296310097c58258d1ef66e3c29df9b2b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2006814Reviewed-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@{#732754}

DEPS

@@ -193,7 +193,7 @@ 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': '41f6150edb165f66a2ded18d258cc5ddb9ee9e95',
+  'angle_revision': '9819e9ed7b1069dbfd63d23a052d4b72b26416dd',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.