dumpsys: OWNERS for test

Now that we have it, we might move dumpsys_test over to using
libfakeservicemanager, but for now, I always have to edit this test when
I update the IServiceManager class. Hoping to save some CRs for it.

Bug: 185832616
Test: N/A
Change-Id: I778d3c8e8f4c0fa64640f6843da913df49e91d9d
diff --git a/cmds/dumpsys/OWNERS b/cmds/dumpsys/OWNERS
index 2a9b681..4f6a89e 100644
--- a/cmds/dumpsys/OWNERS
+++ b/cmds/dumpsys/OWNERS
@@ -2,3 +2,6 @@
 
 nandana@google.com
 jsharkey@android.com
+
+# for ServiceManager mock
+per-file dumpsys_test.cpp=smoreland@google.com