C++11 override should now be supported by all of {bots,Chrome,Android,Mozilla}

NOPRESUBMIT=true

BUG=skia:
DOCS_PREVIEW= https://skia.org/?cl=1037793002

Review URL: https://codereview.chromium.org/1037793002
diff --git a/src/animator/SkDisplayNumber.h b/src/animator/SkDisplayNumber.h
index 92f0fa3..b92c311 100644
--- a/src/animator/SkDisplayNumber.h
+++ b/src/animator/SkDisplayNumber.h
@@ -15,7 +15,7 @@
 
 class SkDisplayNumber : public SkDisplayable {
     DECLARE_DISPLAY_MEMBER_INFO(Number);
-    bool getProperty(int index, SkScriptValue* value) const SK_OVERRIDE;
+    bool getProperty(int index, SkScriptValue* value) const override;
 private:
 };