Reduce A2DP/AVDTP related dumpsys output

* Don't print control blocks that are not in use
* Print some sections only if the runtime trace level is DEBUG(=5) or above
* Renamed section "A2DP Codecs and Peers State:" to
  "A2DP Peers State:"

Bug: 80179152
Test: Manual
Change-Id: I9fcd7387ed469094132d5be989d4976ce103cfc8