MediaMetrics: Suppress device names

Test: BT connection and playback, verify mediametrics
      dumpsys logs for statsd atoms show SUPPRESSED.
Test: statsd_testdrive
Bug: 161554630
Merged-In: I16a85c514a8a8db02f44a512b90fd0a5896976af
Change-Id: I16a85c514a8a8db02f44a512b90fd0a5896976af
(cherry picked from commit 3deef2b2ee1d5a00d87440335e2c985c01ccbf97)
1 file changed