Updating to latest protos and device-management interface, releasing 2.0

Change-Id: I2d2ebf5b305d6d06b8d01c49d4d67e7ff050f5d4
diff --git a/VERSION b/VERSION
index 424d5b0..227cea2 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.2.7-dev
+2.0.0