Roll ANGLE from e21c1efb06c6 to a4e23c66867d (6 revisions)

e21c1efb06..a4e23c6686

2023-02-25 angle-autoroll@skia-public.iam.gserviceaccount.com Manual roll Chromium from 779fe76a4b87 to 37f4bbb7be8f (299 revisions)
2023-02-24 mikes@lunarg.com Tests: Add Cookie Run Oven Break trace
2023-02-24 ynovikov@chromium.org Re-enable safe_libcxx on Linux
2023-02-24 hailinzhang@google.com vulkan: improve EtcToBc transcoding precision.
2023-02-24 cnorthrop@google.com Tests: Add TMNT: Shredder's Revenge trace
2023-02-24 cnorthrop@google.com TraceTests: Update screenshot name for keyframe

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

To file a bug in ANGLE: https://bugs.chromium.org/p/angleproject/issues/entry
To file a bug in Dawn: https://bugs.chromium.org/p/dawn/issues/entry

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/main/autoroll/README.md

Bug: None
Tbr: shrekshao@google.com
Change-Id: Ic0478ccda9eaa9cd5054e2286e2be980e77a1357
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/121560
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Kokoro: Kokoro <noreply+kokoro@google.com>

DEPS

@@ -132,7 +132,7 @@ deps = {
   },
 
   'third_party/angle': {
-    'url': '{chromium_git}/angle/angle@e21c1efb06c674f4e4ea0834daf1d28cedd23005',
+    'url': '{chromium_git}/angle/angle@a4e23c66867dc8f30936fd882c8a1e36cdf672c8',
     'condition': 'dawn_standalone',
   },