Bluetooth: Add Get/Set socket option to the Bluetooth Socket

Introduced Get/Set socket option to the Bluetooth Socket.
For these APIs it will directly call the APIs of Adapter
Service.The corresponding APIs have been implemented in
the Adapter service of native Bluetooth APK.

CRs-Fixed: 557180
Change-Id: Ic49b66599fb3c4c500e52295895d708dbc172cc7
Conflicts:
core/java/android/bluetooth/IBluetooth.aidl

Conflicts:
	core/java/android/bluetooth/IBluetooth.aidl