Prevent concurrentModification of profilesServices

Since BluetoothProfileConnector is used for all profiles, the
BluetoothManagerService is calling the serviceDisconnected of the
BluetoothProfileConnector, that will call it's unbind, that will be
performed back in the BluetoothManagerService...
We are using an async but it does not prevent against re-entrant call

Fix: 263757880
Test: manual test of turn on off the bluetooth
Change-Id: I673244b2110b09135d82d2985a33c6f4c3739d03