REST API added in Packet stats app

Packet Stats API manual cherry pick

Change-Id: I09293aefef9e1b17359e02f4b703808f10b8fb19
diff --git a/apps/packet-stats/app/BUILD b/apps/packet-stats/app/BUILD
new file mode 100644
index 0000000..12c0a66
--- /dev/null
+++ b/apps/packet-stats/app/BUILD
@@ -0,0 +1,7 @@
+COMPILE_DEPS = CORE_DEPS + JACKSON + KRYO + CLI + METRICS + [
+    "//core/store/serializers:onos-core-serializers",
+]
+
+osgi_jar_with_tests(
+    deps = COMPILE_DEPS,
+)