Bluetooth: set BT_WAKE polarity to active low

Solves instability. Bluetooth can now turn on, off and pair
with devices correctly. Other Bluetooth functions not yet tested.

Change-Id: I05ee666cc2d37337ef71beee9a1e0b0f7ceaedee
(cherry picked from commit e5de7c7b99267391ac75f4442a4d2887b4fa3079)
get_macaddrs: fix permissions for Bluetooth MAC

Change-Id: I6fcb5f232aa55051b7a50679d1ab7e9809f767e0
(cherry picked from commit a2b017d5054333344c8b9aca2d29bd68e7674708)
Merge "get_macaddrs: fix permissions for Bluetooth MAC" into cm-11.0