Roll src/third_party/skia 2462ca36c800..5f5e1d57a4ce (7 commits) (#7699)

https://skia.googlesource.com/skia.git/%2Blog/2462ca36c800..5f5e1d57a4ce

git log 2462ca36c800adfaaafe5921475096c107091c9b..5f5e1d57a4cef2f22e037fe7338dddff28ffa6a0 --date=short --no-merges --format=%ad %ae %s
2019-02-05 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 8f71f7311f29..24f3d30cdec3 (1 commits)
2019-02-05 egdaniel@google.com Add release proc apis to SkSurface::MakeFromBackend* calls.
2019-02-05 brianosman@google.com Fix RTCc issue (truncating 64 bit value) in GrVkRenderPass
2019-02-05 bsalomon@google.com Convert GrBufferType to enum class, rename, and remove dead values
2019-02-05 egdaniel@google.com Have GrMtlTexture and GrMtlRenderTarget call parents onRelease/Abandon.
2019-02-04 reed@google.com remove mention of SkMetaData
2019-02-05 robertphillips@google.com Fix generated files

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 (fmalita@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': '2462ca36c800adfaaafe5921475096c107091c9b',
+  'skia_revision': '5f5e1d57a4cef2f22e037fe7338dddff28ffa6a0',
 
   # 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: a8693aacf19f781d49b3050657d3d3ac
+Signature: 6caee1f06b02345eef4b3d6ac2bbcc7b
 
 UNUSED LICENSES: