Cherry pick: Fix generic font family issue on Android

Bug: 13237403

Original description:
Fix generic font family issue on Android

- standard font family should go Android path on Android;
- for non-generic font families, familyNameFromSettings should return
an empty AtomicString.

BUG=347121
TEST=platform/android/fast/text/international/non-generic-font-fallback.html
R=dglazkov@chromium.org

Committed:
https://src.chromium.org/viewvc/blink?view=rev&revision=168173

Change-Id: I6962d496c3a2f320a993e8d4bce02ee33dca983b
1 file changed