bc_cccp: replace usage of VBUCKET_* with lcbvb_*

Change-Id: Ic7070dc910ee6b255c9849a5d55fb1fdac32146b
Reviewed-on: http://review.couchbase.org/37588
Reviewed-by: Brett Lawson <brett19@gmail.com>
Tested-by: Mark Nunberg <mnunberg@haskalah.org>