Roll src/third_party/skia 2d7678d..18562b8 (11 commits) (#5482)

https://skia.googlesource.com/skia.git/+log/2d7678d..18562b8

Created with:
  gclient setdep -r src/third_party/skia@18562b8

The AutoRoll server is located here: https://skia-flutter-roll.skia.org

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

DEPS

@@ -23,7 +23,7 @@ vars = {
   'fuchsia_git': 'https://fuchsia.googlesource.com',
   'github_git': 'https://github.com',
   'skia_git': 'https://skia.googlesource.com',
-  'skia_revision': '2d7678d61fb68a2c9060a9fad8ebabf4e0053576',
+  'skia_revision': '18562b8adb9108e6bcd9ae5b89cc66deb0e49c5d',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

travis/licenses_golden/licenses_third_party

-Signature: 5f2e864ad9716ee13ebb5957a3a82b47
+Signature: 82bfc318bdc7594176866082788271f1
 
 UNUSED LICENSES:
 
@@ -17427,6 +17427,8 @@ FILE: ../../../third_party/skia/animations/text#1.xml
 FILE: ../../../third_party/skia/bench/microbench.json
 FILE: ../../../third_party/skia/bench/skpbench.json
 FILE: ../../../third_party/skia/docker/skia-release/Dockerfile
+FILE: ../../../third_party/skia/docker/skia-with-swift-shader-base/Dockerfile
+FILE: ../../../third_party/skia/docker/skia-with-swift-shader-base/build-with-swift-shader-and-run
 FILE: ../../../third_party/skia/docs/SkAutoCanvasRestore_Reference.bmh
 FILE: ../../../third_party/skia/docs/SkBitmap_Reference.bmh
 FILE: ../../../third_party/skia/docs/SkCanvas_Reference.bmh
@@ -20743,6 +20745,8 @@ LIBRARY: skia
 ORIGIN: ../../../third_party/skia/src/core/SkFlattenablePriv.h + ../../../third_party/skia/LICENSE
 TYPE: LicenseType.bsd
 FILE: ../../../third_party/skia/src/core/SkFlattenablePriv.h
+FILE: ../../../third_party/skia/src/core/SkGlyphRun.cpp
+FILE: ../../../third_party/skia/src/core/SkGlyphRun.h
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 Copyright 2018 The Android Open Source Project