[ONOS-6708] HostLocation Protobuf model

Change-Id: Idbebf419e6023dfd5ecec488d26c41a57f8f9c8a
diff --git a/incubator/protobuf/models/src/main/proto/net/HostLocationProto.proto b/incubator/protobuf/models/src/main/proto/net/HostLocationProto.proto
new file mode 100644
index 0000000..44961a5
--- /dev/null
+++ b/incubator/protobuf/models/src/main/proto/net/HostLocationProto.proto
@@ -0,0 +1,12 @@
+syntax = "proto3";
+option java_package = "org.onosproject.grpc.net.models";
+
+import "net/ConnectPointProto.proto";
+
+package net;
+
+// Corresponds to org.onosproject.net.HostLocation.
+message HostLocationProto {
+    net.ConnectPointProto connect_point = 1;
+    uint64 time = 2;
+}
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