Add immutability flag to face slice

Fix: 172212761
Test: Verified suggestion icon appears.
Change-Id: Ia17ca67d7d729e0608169c23f9df0c1a9d473c85
diff --git a/src/com/android/settings/homepage/contextualcards/slices/FaceSetupSlice.java b/src/com/android/settings/homepage/contextualcards/slices/FaceSetupSlice.java
index 0ad241e..1b3ee10 100644
--- a/src/com/android/settings/homepage/contextualcards/slices/FaceSetupSlice.java
+++ b/src/com/android/settings/homepage/contextualcards/slices/FaceSetupSlice.java
@@ -143,8 +143,8 @@
     private static RowBuilder buildRowBuilder(CharSequence title, CharSequence subTitle,
             IconCompat icon, Context context, Intent intent) {
         final SliceAction primarySliceAction = SliceAction.createDeeplink(
-                PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_MUTABLE_UNAUDITED), icon, ListBuilder.ICON_IMAGE,
-                title);
+                PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_IMMUTABLE),
+                icon, ListBuilder.ICON_IMAGE, title);
         return new RowBuilder()
                 .setTitleItem(icon, ListBuilder.ICON_IMAGE)
                 .setTitle(title)