BT: Fix memory leak when BT on & off done many times

Solves a memory leak in BatteryStatsService when Bluetooth
is turn on/off. Solution adds missing close of proxy then
Bluetooth is turned off.

Change-Id: I65f9db298459c7c15f6a10c752992f1d38469445
CRs-Fixed: 476145
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1
halo. what else, style changes

Change-Id: I8d82844c45edd3ce5f73bfed875b8df191defe11

Conflicts:
	packages/SystemUI/res/layout/halo_speech.xml