Fix @Suppress annotation to be the kotlin style

It was the java style before. woops

Test: no warnings when building
Fixes: 132798825
Change-Id: Ic6687b934b7c02f4975f190d87df79f61f213218
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ChannelEditorDialogController.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ChannelEditorDialogController.kt
index a065f67..b89b5cb 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ChannelEditorDialogController.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ChannelEditorDialogController.kt
@@ -169,7 +169,7 @@
         }
     }
 
-    @SuppressWarnings("unchecked")
+    @Suppress("unchecked_cast")
     private fun fetchNotificationChannelGroups(): List<NotificationChannelGroup> {
         return try {
             noMan.getNotificationChannelGroupsForPackage(packageName!!, appUid!!, false)