build: Include an extra device.mk

Change-Id: I4373f78f57c81e46affc2f6a6bc854bf4c3d00db
Revert "qcom_utils: add kitkat sdk versions"

This reverts commit 570c9b4d048d3186f469451170b4525d6913a084.
Build: Don't force building recovery thanks to @pulser

-also little clean up

Conflicts:

	tools/releasetools/ota_from_target_files
build: get rid of the sparse expand stuff

* i don't see a reason why we are doing this because we never deal
with flashing system img rawly
* This will put useless write on ssd..
* we don't have space on ssd

Change-Id: Icd53d161b8515f5eca238b98ad68515d69caa34f
Generate extra userdata partition if needed

* To support variants of devices which may come in 16/32/64GB variants.

Change-Id: I74c32d8316f0450a1445fe95a95e5cabb7a9dd1b