update analytics ch2 benchmark
update analytics ch2 benchmark

Change-Id: Id1744926ade5ea8c99c9b13b40395f3ec345bdaa
Reviewed-on: http://review.couchbase.org/c/perfrunner/+/159260
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Korrigan Clark <11cf3ebdc6cba78053c91b2fd94cb21b47d0d02e@couchbase.com>

couchbase/perfrunner,couchbase/perfrunner,couchbase/perfrunner,couchbase/perfrunner,couchbase/perfrunner,couchbase/perfrunner