build: local_manifest.xml deprecated, use local_manifests

Patch Set 2:- Use roomservice.xml instead of cm.xml.

Change-Id: I3d8a6ef3907b92808662cbba912cea5ed38d0bde
Merge branch 'ics' of github.com:CyanogenMod/android_build into HEAD

Conflicts:
	tools/roomservice.py

Change-Id: Icf9887ab5ffd8abc82091717c4cd069d1c2afa27