Move DND flag

Where API files can read it

Test: build
Bug: 300477976
Change-Id: Ib44fd7ef09aa43da7811303cc9860e06c11fb184
diff --git a/AconfigFlags.bp b/AconfigFlags.bp
index e3cbd92..baea5d4 100644
--- a/AconfigFlags.bp
+++ b/AconfigFlags.bp
@@ -468,7 +468,7 @@
     defaults: ["framework-minus-apex-aconfig-java-defaults"],
 }
 
-// Activity Manager
+// android.app
 aconfig_declarations {
     name: "android.app.flags-aconfig",
     package: "android.app",