Ramdisk: Add changes from Sony Fusion3

Audio changes, Bluetooth changes, and add back mpdecision socket
so the kernel driver and userspace (PowerHAL) can communicate

Change-Id: I19ffdc93aebe16eaac00e99a30f74586534d528e
Switch to Low Power Audio @Kali-

Change-Id: If7f74cbc284f8297727ade17202aebe3f3123096
Build correct audio packages

Change-Id: I495d01c5693772c566d13029a9204831667268e2
Switch back to AOSP audio

CAF works, but only has two volumes: Off and Max

We may revisit later, but I'd rather not screw with it for now, plus
the 4.3 AOSP HAL is pretty good too.

Change-Id: I9d4f13275bddfdfdd5aefbd17fa34743066c76a3