4a3688e Roll Skia from 398c654ce7be to a4bbc9d8ec4f (1 revision) (flutter/engine#20136)

engine-flutter-autoroll · engine-flutter-autoroll · commit 291a3b88e210 · 2020-07-30T15:04:04.000Z
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
@@ -1 +1 @@
-4c49e0b196636bcd20b7af7a3ce3b0bbcc8f8973
+4a3688e47b98f7b49a6f4dc8adfb8ad1dab1800d
