g2: add some missing things to the ramdisk
g2: enable wifi display and disable background scanning
g2: cleanup overlay
fix roaming icon
g2: don't use caf audio
hammerhead: Make SYSTEM owner of cpu online files

This is required for the Settings app to online cpus
before writing to cpufreq files.

Change-Id: I63530bfcf095a0fbc432a908272bc89bb1ad89eb
hammerhead: Shorter down lock durations

Change-Id: I703421dd1f5c99f65213fe855cd4e5b96440d756
Signed-off-by: Dan Trifan <jimsth@gmail.com>
hammerhead: Reenable load based syncs

Change-Id: I7980558bcf4b1f166ced4177e39f5df7fe73dde6
Signed-off-by: Dan Trifan <jimsth@gmail.com>
g2: msm hotplug as default
g2: cleanup ramdisk and add some things