[2/3] PA-Vendor: Built-in superuser

Change-Id: I9f21ed8bcc8db6fee25b7a6ab8f86ae342242a85
Signed-off-by: Parthipan Ramesh <parthipan.ramesh@gmail.com>
Merge remote-tracking branch 'PA/kitkat' into kitkat

Conflicts:
	configs/system.mk