Update UI properly in Connection race Conditions.

Broadcast connection state of incoming device in pending
state and update UI for disconnection of outgoing connection.
This change in conjunction with bluedroid change handles
race condition scenarios when incoming and outgoing A2dp
connections collides.

Bug: 22028876
Change-Id: Ibd80fc7010613887df74fb1903b16de73c77939a
1 file changed