allow using this recovery in a multi-recovery setup

This is same as the changes I had pushed earlier this day. Since those are now in the beta branch, these changes here will make cm-11.0 branch buildable in tree too 

Change-Id: If327eace92788b4f2a283756204b232186a3b987
Signed-off-by: Arnav Gupta <championswimmer@aokp.co>