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

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

Change-Id: I39ccc423d3d38b0dd78b4e291a2ec2ef679cd865
InCallUI: deblur fab_(red|blue).png

Zigzag edges.

Change-Id: I6a0861aed5aacfe23a573d0161afe971707bd154