Roll Skia from 9a41a83f96d7 to 16df0c27bc0e (3 revisions) (flutter#45537)

https://skia.googlesource.com/skia.git/+log/9a41a83f96d7..16df0c27bc0e

2023-09-07 michaelludwig@google.com [skif] Remove legacy blur implementation
2023-09-07 cmumford@google.com [infra] Remove debugger/shaders/jsfiddle legacy builds
2023-09-07 drott@chromium.org [Fontations] Add fetch script for retrieving Google Fonts test data

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 armansito@google.com,brianosman@google.com,rmistry@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

@@ -18,7 +18,7 @@ vars = {
   'llvm_git': 'https://llvm.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': '9a41a83f96d7c0b9b05f0860538ed6925b0091d4',
+  'skia_revision': '16df0c27bc0e3ec375e256900c1b3fcc0a6a7842',
 
   # 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: 5985f0e2ecb1525f37f4825acc30e256
+Signature: 99ddb93dca99799537483c1669544a0f
 
 ====================================================================================================
 LIBRARY: etc1