AVRCP CT: Register for UUIDS Changed

-- Also fix a bug introduced by change of data types in AVRCP Open state
and AVRCP Browse Open state. Due to change in data type and field
mismatch the status value was being read incorrectly

Bug: b/33750053
Test: Manual test of browse connect
Test: PTS test for UUIDs changed
Change-Id: Ifecf9480a3fabeee8ad8302ebb7cd48f5322dea7