Roll Skia from 971e197ca81a to 5075f1572bfe (2 revisions) (flutter/engine#47885)

https://skia.googlesource.com/skia.git/+log/971e197ca81a..5075f1572bfe

2023-11-09 bungeman@google.com [pdf] Generate outline from structure tree
2023-11-09 sunnyps@chromium.org graphite: Set mappedAtCreation for MapWrite Dawn buffers

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 bdero@google.com,brianosman@google.com,fmalita@google.com,rmistry@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

@@ -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': '971e197ca81a0791baf6b0797f33f35b88e3a679',
+  'skia_revision': '5075f1572bfe4a70cf5423bf14baa005e33ec1e0',
 
   # 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: ecd659db20d07f3b48aa5a64b59318be
+Signature: 299646e8f6ec6bd13be9607308d2bb3f
 
 ====================================================================================================
 LIBRARY: etc1