AudioDeviceInventory: improve log for device connection.

Indicate if a device is a source or sink device in the connection or
disconnection events logged in audio dumpsys. Some BT profiles like LE
Audio or HFP where not clearly indicating the nature of the device.

Test: make
Change-Id: I09e2bf19740750e43cfd249ac5f9225268e0fb3c
6 files changed