Bluetooth: AST translations

Change-Id: I97f8020876f51821687c484739cafffee6c864ce
Drop duplicate service state check.

We already are checking this in sendDeviceStateChanged(), and
onServiceStateChanged() and onSignalStrengthsChanged() have no defined
order, so the signal strength information is lost in case
onSignalStrengthsChanged() is called first.

Change-Id: Id419135780ed7ec58016e32fa37ea06c74ac07d4
Bluetooth: DA translation

Change-Id: I0e932467960e734ced30ba259e1f5775ce3328e2