CCBC-1313: replace std::random_shuffle with std::shuffle
CCBC-1313: replace std::random_shuffle with std::shuffle

Change-Id: I2d339afbcf1a76dea6a07eb854b02188755a6cd8
Reviewed-on: http://review.couchbase.org/c/libcouchbase/+/135990
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Ellis Breen <9d8041ac7ead8d3e1f3217c04c7ed5e3098c2381@couchbase.com>

couchbase/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,kojiromike/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase,kojiromike/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase