Roll ANGLE from 4a41204 to 72f6b99 (7 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/4a41204d8175..72f6b99c29f2

2020-09-06 angle-autoroll@skia-public.iam.gserviceaccount.com Roll VK-GL-CTS from f564aa5f30f1 to a48ed7c29144 (4 revisions)
2020-09-05 lehoangq@gmail.com Metal: Implement EXT_occlusion_query_boolean.
2020-09-04 angle-autoroll@skia-public.iam.gserviceaccount.com Roll VK-GL-CTS from 5e85f689b911 to f564aa5f30f1 (1 revision)
2020-09-04 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from 75690ce7ef4a to e63aa953ddfd (2 revisions)
2020-09-04 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SPIRV-Tools from 2c60d16a646b to fd05605bef1c (1 revision)
2020-09-04 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-Loader from 399ebf707295 to 4a7362c2b223 (1 revision)
2020-09-04 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Chromium from 5881c1ad6465 to c934ea57f1cb (380 revisions)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/angle-skia-autoroll
Please CC reed@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/+doc/master/autoroll/README.md

Cq-Include-Trybots: skia/skia.primary:Build-Debian10-Clang-x86_64-Release-ANGLE;skia/skia.primary:Test-Win10-Clang-AlphaR2-GPU-RadeonR9M470X-x86_64-Debug-All-ANGLE;skia/skia.primary:Test-Win10-Clang-Golo-GPU-QuadroP400-x86_64-Debug-All-ANGLE;skia/skia.primary:Test-Win10-Clang-NUC5i7RYH-GPU-IntelIris6100-x86_64-Debug-All-ANGLE;skia/skia.primary:Test-Win10-Clang-NUC6i5SYK-GPU-IntelIris540-x86_64-Debug-All-ANGLE;skia/skia.primary:Test-Win10-Clang-NUC8i5BEK-GPU-IntelIris655-x86_64-Debug-All-ANGLE;skia/skia.primary:Test-Win10-Clang-NUCD34010WYKH-GPU-IntelHD4400-x86_64-Debug-All-ANGLE
Bug: None
Tbr: reed@google.com
Change-Id: I5957aa71bd82da120a343398f020ead8c6d6e2d6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/315497
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>

Author: skia-autoroll

DEPS

@@ -7,7 +7,7 @@ vars = {
 deps = {
   "buildtools"                            : "https://chromium.googlesource.com/chromium/buildtools.git@505de88083136eefd056e5ee4ca0f01fe9b33de8",
   "common"                                : "https://skia.googlesource.com/common.git@9737551d7a52c3db3262db5856e6bcd62c462b92",
-  "third_party/externals/angle2"          : "https://chromium.googlesource.com/angle/angle.git@4a41204d817586088bca417be16aae3780bf1ab8",
+  "third_party/externals/angle2"          : "https://chromium.googlesource.com/angle/angle.git@72f6b99c29f28bd7461f383e9b7223a8f670b7cc",
   # Dawn requires jinja2 and markupsafe for the code generator, and glslang and shaderc for SPIRV compilation.
   # When the Dawn revision is updated these should be updated from the Dawn DEPS as well.
   "third_party/externals/dawn"            : "https://dawn.googlesource.com/dawn.git@8800135793812c7d85c94439f6dcf259c0ce6dce",