glusterd: Set replace-brick id in op ctx only in origin glusterd

Change-Id: I8282f911fb47f4cfb45947b2810d84105c82b5ff
BUG: 889999
Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-on: http://review.gluster.org/4352
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Tested-by: Vijay Bellur <vbellur@redhat.com>