Merge "Accept null subtype in InputMethodSubtypeHandle." into nyc-dev
am: d67a1ca49b

* commit 'd67a1ca49b138056d53490322ffdadef61d95fec':
  Accept null subtype in InputMethodSubtypeHandle.

Change-Id: I59093644b6bb6f9b6573f28fb501d28f736f1972