Bluetooth no longer seeing incoming call when paired.
Bluetooth no longer seeing incoming call when paired.

Fix is to listen for disconnection and not just precise call state since
precise call state callbacks do no include disconnect notifications.
Missing the disconnect notification is what was causing the bluetooth
state to remain in "INCOMING"

bug:10367614
Change-Id: I671536ee441acf753a87c90968fdce50d11df475

md5555/android_packages_services_Telephony