Adds config component to Machine Provider

appengine/machine_provider/proto/config.proto

Index: appengine/machine_provider/proto/config.proto
diff --git a/appengine/machine_provider/proto/config.proto b/appengine/machine_provider/proto/config.proto
new file mode 100644
index 0000000000000000000000000000000000000000..efac606c3dd481198c51fb83571abadbac65d5e8
--- /dev/null
+++ b/appengine/machine_provider/proto/config.proto
@@ -0,0 +1,14 @@
+// Copyright 2016 The LUCI Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+
+// Machine Provider config schema.
+
+package machine_provider;
+
+
+// Machine Provider Configuration
+message SettingsCfg {
+  // Enable ts_mon based monitoring.
+  optional bool enable_ts_monitoring = 1;
+}