Add a HAF access permission

This is signature protected, and extremely dangerous since it
grants system GID.

Change-Id: I2528813de9341187f18ef708e7251b4e5e4003a3
Global actions: Profile in Keyguard
Profile: Don't change media volume if music is active
[1/3] Bass boost: Center frequency
[1/3] Stereo widener
[1/2] Profile: Screen timeout