Revert "m4: kill until call audio restored"

This reverts commit 27e5655d112efbe55a72193d94e9f27b205394d6.
m4: break stuff to fix stuff
common: build f2fs for all targets

it doesnt hurt anything and means easer for adding f2fs to more devices. wont
hurt devices that use all ext4 eather

Change-Id: I02b879620deb9b635cfc972880c68be61fd69cc9
Add my ringtone an notification sound
Keep my name on my builds.

Conflicts:

	products/common.mk

Change-Id: I63562018836f8e57efc49ff11951a2a71c60b1c0

Conflicts:

	products/common.mk