Roll src/third_party/skia d41c1876d834..5d982feca871 (5 commits) (#7590)

https://skia.googlesource.com/skia.git/%2Blog/d41c1876d834..5d982feca871

git log d41c1876d8341e3486939b93d266975e81950147..5d982feca8715968161db4f12ff9987248bad0d3 --date=short --no-merges --format=%ad %ae %s
2019-01-25 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2019-01-25 halcanary@google.com DEPS: use our mirror for Nima-Cpp
2019-01-25 bsalomon@google.com Avoid checking extension string in GrGLGpu::onResetContext.
2019-01-22 ethannicholas@google.com fixed Metal matrix constructors
2019-01-25 brianosman@google.com Revert "Remove --readPath/-r from DM"

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

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 (djsollen@google.com), 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': 'd41c1876d8341e3486939b93d266975e81950147',
+  'skia_revision': '5d982feca8715968161db4f12ff9987248bad0d3',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

ci/licenses_golden/licenses_skia

-Signature: c211e91edebfad57b9aa328f9e8c20ea
+Signature: 8b8312d5a19f66c7f5b1868130f3b76f
 
 UNUSED LICENSES:
 
@@ -5036,6 +5036,8 @@ FILE: ../../../third_party/skia/modules/sksg/src/SkSGTransformPriv.h
 FILE: ../../../third_party/skia/src/core/SkDescriptor.cpp
 FILE: ../../../third_party/skia/src/gpu/vk/GrVkSecondaryCBDrawContext.cpp
 FILE: ../../../third_party/skia/src/gpu/vk/GrVkSecondaryCBDrawContext.h
+FILE: ../../../third_party/skia/src/sksl/SkSLDefines.h
+FILE: ../../../third_party/skia/src/sksl/SkSLOutputStream.cpp
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