Roll Skia from fd41d878b13d to 70fe17e12f38 (6 revisions) (#22776)

DEPS

@@ -26,7 +26,7 @@ vars = {
   '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': 'fd41d878b13db6572d52b70ef95a4031fdd2448f',
+  'skia_revision': '70fe17e12f3871351c3dbcf9f3a86a1918146f8e',
 
   # 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: 28d9cb446069e215639711d1535dd1c7
+Signature: ae02d9a80761cc9a7b9a2bdf93b69042
 
 UNUSED LICENSES:
 
@@ -627,7 +627,6 @@ FILE: ../../../third_party/skia/src/gpu/GrOpsRenderPass.h
 FILE: ../../../third_party/skia/src/gpu/GrProgramDesc.cpp
 FILE: ../../../third_party/skia/src/gpu/GrReducedClip.cpp
 FILE: ../../../third_party/skia/src/gpu/GrReducedClip.h
-FILE: ../../../third_party/skia/src/gpu/GrRenderTargetContextPriv.h
 FILE: ../../../third_party/skia/src/gpu/GrRenderTargetProxy.cpp
 FILE: ../../../third_party/skia/src/gpu/GrRenderTargetProxy.h
 FILE: ../../../third_party/skia/src/gpu/GrResourceHandle.h
@@ -639,7 +638,6 @@ FILE: ../../../third_party/skia/src/gpu/GrStyle.cpp
 FILE: ../../../third_party/skia/src/gpu/GrStyle.h
 FILE: ../../../third_party/skia/src/gpu/GrSurfaceContext.cpp
 FILE: ../../../third_party/skia/src/gpu/GrSurfaceContext.h
-FILE: ../../../third_party/skia/src/gpu/GrSurfaceContextPriv.h
 FILE: ../../../third_party/skia/src/gpu/GrSurfaceProxy.cpp
 FILE: ../../../third_party/skia/src/gpu/GrSurfaceProxy.h
 FILE: ../../../third_party/skia/src/gpu/GrSwizzle.h
@@ -4168,6 +4166,7 @@ FILE: ../../../third_party/skia/src/core/SkCompressedDataUtils.h
 FILE: ../../../third_party/skia/src/core/SkM44.cpp
 FILE: ../../../third_party/skia/src/core/SkMarkerStack.cpp
 FILE: ../../../third_party/skia/src/core/SkMarkerStack.h
+FILE: ../../../third_party/skia/src/core/SkMipmapBuilder.h
 FILE: ../../../third_party/skia/src/core/SkOpts_erms.cpp
 FILE: ../../../third_party/skia/src/core/SkVerticesPriv.h
 FILE: ../../../third_party/skia/src/gpu/GrDynamicAtlas.cpp