Add back in-call vibration features (1/2)

Add backend implementation, implemented in UI instead of telephony
service this time.

Change-Id: I39ccc423d3d38b0dd78b4e291a2ec2ef679cd865
2 files changed
tree: d2df0517f4ab719a7a60ebdf380968411c4babd5
  1. res/
  2. src/
  3. proguard.flags