Revert "V4A fixes/ Improve quaility a lot"

1) This breaks Chromecast audio and WiFi Display Sound
2) Power Consumption is higher when listening to audio.
3) I'm not really noticing a huge difference here so it's not worth 1 or 2.

This reverts commit 3464308d27038089f13e11afd6d7cad3db54237d.
Change-Id: I16b2c82dd6f4a8ae194e461bd0c3039e2e3fd909
Revert "Make ROM zip compatible with ext4/f2fs"

This reverts commit 6c84d4a00e4b8da58f0bbc688d4f8fa9da1f58b4.

Change-Id: I252ecc586896ad3d6ac77c4bf4080ba028e486a4
hammerhead: Update IPC router security configuration

Change-Id: Ia89a4920e07d5790cbd3dde9780349dc42f241e6
Merge branch 'kitkat' of github.com:LiquidSmooth-Devices/android_device_lge_hammerhead into kitkat