Switch to Lightbulb
PA doesn't use torch

Change-Id: I27a2265714e443586da9a9d4db194b19fee163c4
Re-fix bluetooth tethering
Namidairo's fix actually.  Allows us to get rid of bdaddwriter

Change-Id: I6ceddac7e34a49b11aaaac2c58b65fee8832a3a6
Adjust WiFi scan interval

Change-Id: Ie7f05984eac06ba4840b1f693d93fdb06691d1ea