Fix showing owner info creation from UserTile if no owner is set

* Turns out the default user will always be present, meaning a check of
  user count == 0 fails.

Change-Id: Id8e8e75c5f51c73a60d7b9039298ecb90e572bc9
core: add AST support

Change-Id: I42203d7c0173e6cd880da3937f88e8f5c501db9d
Merge remote-tracking branch 'cm/cm-10.2' into cm-10.2-sgt7