Update documentation on notification policy access

DND access cannot be given to managed profiles

Test: manual
Change-Id: I0751bbbfc69e1d80e4376e4c7aa0b4ffd5e8c8ab
Fixes: 80228966
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 449a7b3..406141b 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -3906,7 +3906,8 @@
     <permission android:name="android.permission.ACCESS_NOTIFICATIONS"
         android:protectionLevel="signature|privileged|appop" />
 
-    <!-- Marker permission for applications that wish to access notification policy.
+    <!-- Marker permission for applications that wish to access notification policy. This permission
+        is not supported on managed profiles.
          <p>Protection level: normal
     -->
     <permission android:name="android.permission.ACCESS_NOTIFICATION_POLICY"