Build providers using bazel

Change-Id: I7d4ebcfb1d593e10aa93f0a4f7111680ed66a7e7
diff --git a/providers/openflow/group/BUILD b/providers/openflow/group/BUILD
new file mode 100644
index 0000000..b1edbda
--- /dev/null
+++ b/providers/openflow/group/BUILD
@@ -0,0 +1,10 @@
+COMPILE_DEPS = CORE_DEPS + NETTY + [
+    "@openflowj//jar",
+    "//protocols/openflow/api:onos-protocols-openflow-api",
+    "//providers/openflow/flow:onos-providers-openflow-flow",
+]
+
+osgi_jar_with_tests(
+    test_deps = TEST_ADAPTERS,
+    deps = COMPILE_DEPS,
+)