tree 5f24a6c13c5a4b159e8cd5d99641b294e6215a1d
parent 8b86268be3fd713394915cbed3d71cc85f806fe1
author destradaa <destradaa@google.com> 1435105553 -0700
committer destradaa <destradaa@google.com> 1440441807 -0700

Cherry-pick: Add callback-based support for HW Activity Recognition.

Add a callback-based mechanism for GmsCore to connect to Hardware Activity
Recognition. This allows GmsCore to stop polling to identify if the Android
platform supports the functionality or not.

Bug: 17112184
Change-Id: I8f9459cbd15eecd70f6919c6551e6f7a663c732f