MB-29471, MB-29034 Use SetDeadline. Instead of Read/Write
MB-29471, MB-29034 Use SetDeadline. Instead of Read/Write

When SetReadDedline(), SetWriteDeadline() both are set separately the number of
timers are double and causes lock contentions. If only one is set it is fine.
Use SetDeadline() which is for both read and write

Change-Id: If624876afa4bc18432f6ace450ae7d5398417124
Reviewed-on: http://review.couchbase.org/93523
Reviewed-by: Pavel Paulau <dd88eded64e90046a680e3a6c0828ceb8fe8a0e7@gmail.com>
Reviewed-by: Marco Greco <63a03f5b14a94e811cf577897911ec77986e074a@couchbase.com>
Tested-by: Sitaram Vemulapalli <8d86a491dcdf321bac78bef141a8229a59bf9211@couchbase.com>

couchbase/go-couchbase