[automerger skipped] Merge "Concurrent collections for Bluetooth callbacks." into qt-qpr1-dev am: 4af0a5bc27 am: 2663a58931 -s ours
am skip reason: Change-Id I8eed81bbc9c12321ec41b2491d006764e2e483d6 with SHA-1 0bc952a4a5 is in history

Change-Id: Iea48e6c7c45e2098d268bab089a13346b1117451