Roll Skia from 0fa58b6ddba0 to 1948fd53e280 (2 revisions) (flutter/engine#53536)

https://skia.googlesource.com/skia.git/+log/0fa58b6ddba0..1948fd53e280

2024-06-24 brianosman@google.com Remove asserts about "valid" premultiplied colors in SkPackARGB32
2024-06-24 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ANGLE from e53b3ad72322 to 3c472b45024a (9 revisions)

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 brianosman@google.com,jsimmons@google.com,rmistry@google.com,scroggo@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://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

DEPS

@@ -14,7 +14,7 @@ vars = {
   'flutter_git': 'https://flutter.googlesource.com',
   'skia_git': 'https://skia.googlesource.com',
   'llvm_git': 'https://llvm.googlesource.com',
-  'skia_revision': '0fa58b6ddba090f7d75dfd03ce0509eda7d1396d',
+  'skia_revision': '1948fd53e2807dbfd07f7fc11d85a8d0e5c23589',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

engine/src/flutter/ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: ba8d41ca2ec3714afd8c5735346682be
+Signature: dba4f26ae9c9ebddad1a9fc04a66aa18
 
 ====================================================================================================
 LIBRARY: etc1