InCallUI: SmartMute

Mute the incoming call by flipping the phone

AICP: Brought to N by combining into one commit
3a4c1f7b7b319a3bfd560423ae19e4da3f52eda1
9063092dfc3eac9bc30f73fdca40ec6fe1aa1f44

AICP: brought up to O

@eyosen: brought up to P

Change-Id: I3ff27450eecbf501fafb2d75317a0d7dd844e7b2
Signed-off-by: linuxxxxx <joey@cyanogenmoditalia.it>
Signed-off-by: blinoff82 <blinov@gmail.com>
Signed-off-by: DennySPB <dennyspb@gmail.com>
6 files changed