Merge changes Ibc853aa4,I061e3b45,I31983153

* changes:
  Update simulator to add emergency call
  Allow voicemail transcription notifications to expand
  Hide voice search button when exiting search if it is not available
tree: cdc5512d316fc67b09503f7b03cf051182684aa3
  1. assets/
  2. java/
  3. Android.mk
  4. AndroidManifest.xml
  5. CONTRIBUTING
  6. LICENSE