Issue: turning on bluetooth headset in call doesn't change route (2/2).

In addition to a failure to report CallState from Telecom, the broadcast
of the state change was happening before the active device was set,
causing Telecom to receive the broadcast indicating the audio state has
changed, only to have the Bluetooth service report that bluetooth audio
is not connected yet.

Bug: 17933664
Change-Id: Id4e7c6d4085f5ee990a8d19da8c089399ee60c6d