Allow custom recovery resource dirs.

Set TARGET_PRIVATE_RES_DIRS in your BoardConfig.mk to specify custom
private recovery resource directories.
With this change you can share the same recovery resource dir for more
than one device; Also you can specify more than one directories.

Change-Id: Ieeb18f5ac11c98b6f08d0ab6fb4e0d9aa72b27e7
1 file changed