[1/3] Subtle Vibration when outgoing call is connected

Other parts of these patches are on packages/services/Telephony & packages/apps/InCallUI repos

Change-Id: I5b4ba3db4e5d0507058a6be53e5ee722a6bd72c6
Do not block home button if incoming call is a background call

The user want to navigate ahead if it is a call in background.
So we allow it.

Change-Id: If40b8abba05b600191bfc1403f197e624fd7a360