Backfill VTS owner information for binder tests.

Done for the following tests:
binderDriverInterfaceTest
binderLibTest
binderSafeInterfaceTest

Each VTS module is required to have an OWNERS file. The ownership is based on
go/vts-owners. For more information about ownership policy, please visit
go/xts-owners-policy.

Test: Tree Hugger
Bug: 143903671
Change-Id: I91f466916c3f766aa0fef0a83f68bfb3a24bba7d
diff --git a/libs/binder/OWNERS b/libs/binder/OWNERS
index 350994a..1c8bdea 100644
--- a/libs/binder/OWNERS
+++ b/libs/binder/OWNERS
@@ -1,5 +1,7 @@
+# Bug component: 32456
 arve@google.com
 ctate@google.com
 hackbod@google.com
 maco@google.com
 smoreland@google.com
+tkjos@google.com