commit aad52567f7c3d4b88868f4dab95c148675c91816
author Pavlin Radoslavov <pavlin@google.com> Wed Oct 04 12:16:49 2017 -0700
committer Pavlin Radoslavov <pavlin@google.com> Wed Oct 04 19:06:54 2017 -0700
tree 3f499383adff3fb25aaf0f8611541908d7aed8ee
parent f90bd2eb447fa2ae95abe79ff9ee67e1be7dda7c

Print the runtime blacklisted devices for AVRCP absolute volume control

The AVRCP runtime blacklisted devices for absolute volume control
are printed in the bluetooth_manager dumpsys section:

AVRCP:
  ...
  Runtime Blacklisted Devices (absolute volume):
    XX:XX:XX:XX:XX:XX
    YY:YY:YY:YY:YY:YY

If there are no blacklisted devices, then:
  ...
  Runtime Blacklisted Devices (absolute volume):
    None

Bug: 63480852
Test: Manual
Change-Id: I01242b681c81b802ce44719a304b525292eaeb01
(cherry picked from commit 32638175c01351b88bbbc5628825db2d62bd1a89)