am 4e00f1fa: Merge remote branch \'goog/honeycomb-mr2\' into honeycomb-LTE

* commit '4e00f1fa4d4e82bba4afe1c2a21bf0a56b3a4c8f':
  DO NOT MERGE Only create android_secure mountpoint on the primary external storage volume.
  DO NOT MERGE Mount secondary external storage writable by AID_MEDIA_RW rather than AID_SDCARD_RW