REST API added in Packet stats app

Packet Stats API manual cherry pick

Change-Id: I09293aefef9e1b17359e02f4b703808f10b8fb19
diff --git a/apps/packet-stats/web/BUILD b/apps/packet-stats/web/BUILD
new file mode 100644
index 0000000..3084433
--- /dev/null
+++ b/apps/packet-stats/web/BUILD
@@ -0,0 +1,13 @@
+COMPILE_DEPS = CORE_DEPS + KRYO + JACKSON + REST + CLI + METRICS + [
+    "@jersey_server//jar",
+    "//core/store/serializers:onos-core-serializers",
+]
+
+osgi_jar(
+    api_description = "REST API for Packet Stats",
+    api_package = "org.onosproject.packetstats.rest",
+    api_title = "Packet Stats App",
+    api_version = "1.0",
+    web_context = "/onos/v1/packet-stats",
+    deps = COMPILE_DEPS,
+)