Roll Skia from a2e706ab283d to 934ef0660509 (7 revisions) (#39327)

https://skia.googlesource.com/skia.git/+log/a2e706ab283d..934ef0660509

2023-02-01 ccameron@chromium.org Fold SkJpegSeekableScan into SkJpegSourceMgr
2023-02-01 bungeman@google.com [pdf] Output drawable glyphs as XForms
2023-02-01 johnstiles@google.com Recompile Raster Pipeline runtime effects less often.
2023-02-01 kjlubick@google.com Replace /archive/ with /download/release where possible
2023-02-01 robertphillips@google.com Add separate "ColorSpaces" jobs
2023-02-01 ccameron@chromium.org SkJpegCodec: Add SkJpegSourceMgr (reland)
2023-02-01 herb@google.com Remove prepareForPathDrawing and prepareForDrawableDrawing

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,jamesgk@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://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
diff --git a/DEPS b/DEPS
index 7cf3649..b15f5c2 100644
--- a/DEPS
+++ b/DEPS
@@ -18,7 +18,7 @@
   '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': 'a2e706ab283d9f3edce54887ecf2e87c4300d24f',
+  'skia_revision': '934ef0660509eede59b0fc7a6b82ee1d09c39661',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.
diff --git a/ci/licenses_golden/licenses_skia b/ci/licenses_golden/licenses_skia
index 28bd7e1..87deb38 100644
--- a/ci/licenses_golden/licenses_skia
+++ b/ci/licenses_golden/licenses_skia
@@ -1,4 +1,4 @@
-Signature: f1a242e99e2e23a0d258c31e842ffed5
+Signature: 3ba0b28c08b3d13e27ffd22f1e2d1a51
 
 ====================================================================================================
 LIBRARY: etc1