Roll Skia from 5f6578398870 to 271b2b6d5aaa (2 revisions) (#43706)

https://skia.googlesource.com/skia.git/+log/5f6578398870..271b2b6d5aaa

2023-07-14 kjlubick@google.com Add forgotten more drawMesh implementations
2023-07-14 johnstiles@google.com Add GM slide demonstrating ripple effect.

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,kjlubick@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

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': '5f65783988704820b26c18c9cd3e6ca3c347dbe5',
+  'skia_revision': '271b2b6d5aaa62e39eba9b526292782842236186',
 
   # 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: 5b4f8ab223c4672c745d7e986adab201
+Signature: 5cc56e9dd46382c8e24c6b3a20b7b3b9
 
 ====================================================================================================
 LIBRARY: etc1
@@ -8874,6 +8874,7 @@ ORIGIN: ../../../third_party/skia/fuzz/oss_fuzz/FuzzQuadRoots.cpp + ../../../thi
 ORIGIN: ../../../third_party/skia/gm/BazelGMRunner.cpp + ../../../third_party/skia/LICENSE
 ORIGIN: ../../../third_party/skia/gm/BazelNoopRunner.cpp + ../../../third_party/skia/LICENSE
 ORIGIN: ../../../third_party/skia/gm/graphite_replay.cpp + ../../../third_party/skia/LICENSE
+ORIGIN: ../../../third_party/skia/gm/rippleshadergm.cpp + ../../../third_party/skia/LICENSE
 ORIGIN: ../../../third_party/skia/gm/scaledrects.cpp + ../../../third_party/skia/LICENSE
 ORIGIN: ../../../third_party/skia/gm/surface_manager/GaneshGLSurfaceManager.cpp + ../../../third_party/skia/LICENSE
 ORIGIN: ../../../third_party/skia/gm/surface_manager/GaneshVulkanSurfaceManager.cpp + ../../../third_party/skia/LICENSE
@@ -9079,6 +9080,7 @@ FILE: ../../../third_party/skia/fuzz/oss_fuzz/FuzzQuadRoots.cpp
 FILE: ../../../third_party/skia/gm/BazelGMRunner.cpp
 FILE: ../../../third_party/skia/gm/BazelNoopRunner.cpp
 FILE: ../../../third_party/skia/gm/graphite_replay.cpp
+FILE: ../../../third_party/skia/gm/rippleshadergm.cpp
 FILE: ../../../third_party/skia/gm/scaledrects.cpp
 FILE: ../../../third_party/skia/gm/surface_manager/GaneshGLSurfaceManager.cpp
 FILE: ../../../third_party/skia/gm/surface_manager/GaneshVulkanSurfaceManager.cpp