allow lockscreen rotation

Change-Id: I88287af073da89b5e0644972aac185690e5ff7e9
jem: use unified releasetools

Change-Id: I7cf223643ea06ca7fe575881c01d52da5b09e7f5
jem: remove local releasetools

Change-Id: I3d91c290f977646d416194c6fd433a57153af053