Add AVRCP native logging to dumpsys

Example output
AVRCP Target Native Service: 2 devices
  d4:90:9c:0a:48:d0
    Current Volume: 42
    Current Browsed Player ID: -1
    Registered Notifications:
      Play Status
    Last Play State: 2
    Last Song Sent ID: ""
    Current Folder: ""
    MTU Sizes: CTRL=1020 BROWSE=332

Bug: 79167906
Test: adb shell dumpsys bluetooth_manager
Change-Id: I749dc3c568ac7793ac924ab1e46c3fc7ae42a260