REST API support for packet-processors

Change-Id: Id723a3f62e584f3325e8a2017c98c18e919168f6
(cherry picked from commit 4df80f17964cafba44e59065ffd5fe6e4a42ef56)
diff --git a/web/api/src/main/resources/definitions/PacketProcessorsGet.json b/web/api/src/main/resources/definitions/PacketProcessorsGet.json
new file mode 100644
index 0000000..cc88dc6
--- /dev/null
+++ b/web/api/src/main/resources/definitions/PacketProcessorsGet.json
@@ -0,0 +1,44 @@
+{
+  "type": "object",
+  "title": "packet-processors",
+  "required": [
+    "packet-processors"
+  ],
+  "properties": {
+    "packet-processors": {
+      "type": "array",
+      "xml": {
+        "name": "packet-processors",
+        "wrapped": true
+      },
+      "items": {
+        "type": "object",
+        "title": "packet-processors",
+        "required": [
+          "priority",
+          "class",
+          "packets",
+          "avgNanos"
+        ],
+        "properties": {
+          "priority": {
+            "type": "string",
+            "example": "advisor(0)"
+          },
+          "class": {
+            "type": "string",
+            "example": "org.onosproject.provider.host.impl.HostLocationProvider$InternalHostProvider"
+          },
+          "packets": {
+            "type": "integer",
+            "example": 568376
+          },
+          "avgNanos": {
+            "type": "integer",
+            "example": 5683
+          }
+        }
+      }
+    }
+  }
+}