Roll ANGLE from c18972fdef08 to c121b0137b6a (4 revisions)

c18972fdef..c121b0137b

2023-05-25 jojwang@google.com Change clang_format path in angle.
2023-05-25 geofflang@chromium.org GL: Check for VAO support before syncing from external ctxs
2023-05-25 angle-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from 25c584aa4cec to 354eac3ca8c8 (9 revisions)
2023-05-25 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Chromium from 74f8527011e4 to c0f2c5cab1b4 (544 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-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: Ia7fb553dbb6adb625c717725410c7c93d29a8a7a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/134540
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -136,7 +136,7 @@ deps = {
   },
 
   'third_party/angle': {
-    'url': '{chromium_git}/angle/angle@c18972fdef08c8d959584b8f1f089d1426162599',
+    'url': '{chromium_git}/angle/angle@c121b0137b6abf7024c9706342a7693a0ec73648',
     'condition': 'dawn_standalone',
   },