Roll ANGLE from 6e6947e68544 to 5a5996aa5c7a (5 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/6e6947e68544..5a5996aa5c7a

2021-11-10 syoussefi@chromium.org Vulkan: Handle missing decorations in SPIR-V precision fixer
2021-11-10 geofflang@google.com Fix MSRTT unsized texture formats querying supported samples.
2021-11-10 jmadill@chromium.org Vulkan: Fix edge case with changing base level.
2021-11-10 jonahr@google.com Reland "Metal: Reintroduce GPU power preference selection code."
2021-11-10 bsheedy@chromium.org Unskip RenderSolidColor test

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 sarahmashay@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: sarahmashay@google.com
Change-Id: I669874c7b0ba51fb4ffb6719571690cc13eaabbe
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/69043
Reviewed-by: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 0116912..ec2424b 100644
--- a/DEPS
+++ b/DEPS
@@ -121,7 +121,7 @@
   },
 
   'third_party/angle': {
-    'url': '{chromium_git}/angle/angle@6e6947e685449b138f53578e000a7e50217cea20',
+    'url': '{chromium_git}/angle/angle@5a5996aa5c7a02539cd351888e5f9890ead4dcb1',
     'condition': 'dawn_standalone',
   },