Merge changes I3f26d915,I59500877,Ia08ce56f

* changes:
  Perform remote reachability query if caller is not in contacts
  Only enable voicemail transcription on android O and later
  Removed zero suggest from dialpad search in new search fragment.
tree: ccc4ba1be4af03ced6f837b0dc86bb9800ce9370
  1. assets/
  2. java/
  3. Android.mk
  4. AndroidManifest.xml
  5. CONTRIBUTING
  6. LICENSE