Make sure InputMethodInfo implements Parcelable transitively

This CL adds one more test to make sure InputMethodInfo
implements Parcelable correctly. This test makes sure that
one can marshall and unmarshall again from an unmarshalled
copy of InputMethodInfo.

BUG: 12954290
Change-Id: I5aa1552a8089fe0bac54513ba224e5bfc494be97
1 file changed