Add |native_bridge_experiment| to arc.proto am: bb5e81cbae
am: 9e8bccdc7a

Change-Id: I607b24c613b61355b9b3785d5f06884c7369843e
diff --git a/dbus/login_manager/arc.proto b/dbus/login_manager/arc.proto
index 47e992f..5d4893e 100644
--- a/dbus/login_manager/arc.proto
+++ b/dbus/login_manager/arc.proto
@@ -33,5 +33,8 @@
   // TODO(yusukes): Make this always enabled and then remove the field.
   optional bool create_server_socket = 5;
 
-  // Next ID to use: 6
+  // Option to enable native bridge experiment (b/63133475).
+  optional bool native_bridge_experiment = 6;
+
+  // Next ID to use: 7
 }