Create SEPolicy for the new supervision service.

Test: m
Change-Id: I389c6c830907c0e55bff3458308adf5b4ccb8a52
diff --git a/flagging/Android.bp b/flagging/Android.bp
index 5117fab..93f4ddc 100644
--- a/flagging/Android.bp
+++ b/flagging/Android.bp
@@ -23,6 +23,7 @@
         "RELEASE_AVF_ENABLE_LLPVM_CHANGES",
         "RELEASE_AVF_ENABLE_NETWORK",
         "RELEASE_READ_FROM_NEW_STORAGE",
+        "RELEASE_SUPERVISION_SERVICE",
         "RELEASE_HARDWARE_BLUETOOTH_RANGING_SERVICE",
         "RELEASE_UNLOCKED_STORAGE_API",
     ],