Revert "UpdateAbility: Implement BluetoothInCallService and its ..."

Revert "Bluetooth updateability: Move BluetoothPhoneService out ..."

Revert "Updateability: Remove IBluetoothHeadsetPhone aidl"

Revert submission 1311861-BluetoothInCallService

Reason for revert: Bug: 176883407
Reverted Changes:
Ie3a5ceda5:UpdateAbility: Implement BluetoothInCallService an...
I2e3bc64eb:Updateability: Remove IBluetoothHeadsetPhone aidl
If26bab4ad:Bluetooth updateability: Move BluetoothPhoneServic...

Revert changes for droid food for now.

Change-Id: I8c823f44667ac6a238f7faa0ad12ece94d45803d