tree 0a39267620620bfba1fe7a616ecf2cd5ec652f43
parent 8b348b698513376ddfc437aec0a6ddc1005c49a2
author nick <np202g@att.com> 1527285176 -0400
committer Shad Ansari <shad@opennetworking.org> 1527286533 +0000

VOL-771 OLT heartbeat
additional GRPC endpoint for heartbeat that answers with a connection signature to detect OLT reboot /drivers restart

Change-Id: Ib4eb0f162519701c0535ca53f0875f0f83dcb833