BluetoothManagerService: fix enabling/disabling BT from Quictsettings under second user,

Change-Id: I8173559b2c734968ef4a8d86fddaa3a73d5c2b1e
(cherry picked from commit fe625c56d15eb091caddbf115ef90ebdf62490c0)
Merge remote-tracking branch 'cyanogen/cm-10.2' into cm-10.2