Remove set noparent from the net protos directory.

The frameworks proto owners need to be able to edit these files.

Change-Id: I7700e14d5ed80e4b6e7892b9da65f01c467f0b6e
diff --git a/core/proto/android/net/OWNERS b/core/proto/android/net/OWNERS
index a845dcb..509699b 100644
--- a/core/proto/android/net/OWNERS
+++ b/core/proto/android/net/OWNERS
@@ -1,5 +1,3 @@
-set noparent
-
 ek@google.com
 lorenzo@google.com
 satk@google.com