Add OWNERS file for AIDL-HIDL compat shim layer

Bug: 203699028
Test: N/A
Change-Id: I02650c8d1f0af58df7094a7316d65599bf0512f1
diff --git a/radio/aidl/compat/OWNERS b/radio/aidl/compat/OWNERS
new file mode 100644
index 0000000..471d806
--- /dev/null
+++ b/radio/aidl/compat/OWNERS
@@ -0,0 +1,3 @@
+# Bug component: 20868
+include ../../1.0/vts/OWNERS
+twasilczyk@google.com