MB-25822: notifyAllPausedConnections: include #pendingNotifications in trace
MB-25822: notifyAllPausedConnections: include #pendingNotifications in trace

Move the trace event associated with notifying paused connections
(ConnNotifierCallback) into ConnMap::notifyAllPausedConnections(),
which allows us to include the number of pending notifications to be
processed.

Change-Id: I7b2956ea67c1db1e11ec73133dfa41705edbaf8d
Reviewed-on: http://review.couchbase.org/94052
Reviewed-by: Tim Bradgate <f1a26ee65f021cb7d82b83dfb09abf144d3eb64f@couchbase.com>
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>

daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine