MB-10640: Send snapshot start and end with stream request

Change the stream request according to the protocol changes.
Instead of supplying the partition version high sequence, the
snapshot start and snapshot end is provided.

Change-Id: I4f7528f453e1f0c3021ab51f2173e111ed4a17e9
Reviewed-on: http://review.couchbase.org/36460
Reviewed-by: Volker Mische <volker.mische@gmail.com>
Tested-by: Volker Mische <volker.mische@gmail.com>