A2DPSink incoming connections

On an incoming connection do not attempt call connectA2dpNative.

Bug: 149828492
Test: Connect from remote device and confirm connectA2dpNative is not
called.

Change-Id: Idd29b6f66e6b6924b97f640c01c83e9af17336e0
Merged-In: Idd29b6f66e6b6924b97f640c01c83e9af17336e0