Merge changes from topic "avrcp-target-cover-art"

* changes:
  Add tests for the AVRCP Target Cover Art feature
  Add the AVRCP Target 1.6 cover art feature
  Get the AVRCP Version that the user has requested
  Add image member to Metadata object
  Add BIP Client status setting API to JNI interface
  Add the BIP Server registration API to the JNI interface
  Create a builder for audio_util Metadata and migrate off bundles