Avrcp: redact media info

Let's redact some of that media info when we're not on debug/eng builds.

Test: play some music, adb logcat and observe
Bug: 62826797
Change-Id: Icf7e926508215eae70cd75bef3cddcc001218c50
(cherry picked from commit cc07ee436d00418ecc69ae3aace986f7fbf0823a)
3 files changed