Roll Skia from e1df5b2115b3 to 462dab699ce6 (2 revisions)

https://skia.googlesource.com/skia.git/+log/e1df5b2115b3..462dab699ce6

2022-05-11 johnstiles@google.com Emit dead expressions when optimizations are off.
2022-05-11 johnstiles@google.com Add dedicated golden test for enabling/disabling fOptimize.

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

To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry
To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

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

Author: skia-flutter-autoroll

DEPS

@@ -27,7 +27,7 @@ vars = {
   'skia_git': 'https://skia.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': 'e1df5b2115b302a0cabeb1f117119a42a962079c',
+  'skia_revision': '462dab699ce6bbd94d63ae57f4dfb9d22e4171c9',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: bab87d2cf91387d5d05df371f02084d6
+Signature: 1dfb9ffdfd70b3d8b0c5cefeb2abbac7
 
 UNUSED LICENSES: