HALO: batch message icon for hdpi and mdpi

It's hard to keep up with Paul hehe
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 'rootbox/jb-mr1' into jb-mr1