Roll src/third_party/skia 18db52f2ee56..88d04cb51acf (13 commits) (#18183)

diff --git a/DEPS b/DEPS
index 95c2879..523ca7a 100644
--- a/DEPS
+++ b/DEPS
@@ -26,7 +26,7 @@
   'skia_git': 'https://skia.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': '18db52f2ee565f9a42e5acc855c6272aa37b6e11',
+  'skia_revision': '88d04cb51acfb7d8b92895270fa58e266d9522c6',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the
diff --git a/ci/licenses_golden/licenses_skia b/ci/licenses_golden/licenses_skia
index 77e706b..e68f223 100644
--- a/ci/licenses_golden/licenses_skia
+++ b/ci/licenses_golden/licenses_skia
@@ -1,4 +1,4 @@
-Signature: a72621aae4369572f66bc2af43582aba
+Signature: 60600d3de347f40674315e02c4086dbe
 
 UNUSED LICENSES:
 
@@ -5202,6 +5202,7 @@
 FILE: ../../../third_party/skia/gm/verifiers/gmverifier.cpp
 FILE: ../../../third_party/skia/gm/verifiers/gmverifier.h
 FILE: ../../../third_party/skia/include/core/SkM44.h
+FILE: ../../../third_party/skia/modules/skottie/include/ExternalLayer.h
 FILE: ../../../third_party/skia/modules/skottie/src/Adapter.h
 FILE: ../../../third_party/skia/modules/skottie/src/Camera.cpp
 FILE: ../../../third_party/skia/modules/skottie/src/Camera.h