MB-11848: stop using deprecated rebalanceProgress api
MB-11848: stop using deprecated rebalanceProgress api

Change-Id: I1683051d8a035aa6dbde6d4af15a0613f674fb00
Reviewed-on: http://review.couchbase.org/42731
Reviewed-by: Bin Cui <ed18693fff32c00e22495f4877a3b901bed09041@gmail.com>
Tested-by: Bin Cui <ed18693fff32c00e22495f4877a3b901bed09041@gmail.com>

couchbase/couchbase-cli,couchbase/couchbase-cli