Update wallpaper API to match NYC change.

Update check for whether setting wallpaper
is allowed for renamed API.

Bug: 28954131
Change-Id: I09ee46167d59d267ba95d136366f78f5735ea9a5
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index 00ee387..2f460bc 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -849,7 +849,7 @@
         if (isNycOrAbove()) {
             try {
                 WallpaperManager wm = context.getSystemService(WallpaperManager.class);
-                return (Boolean) wm.getClass().getDeclaredMethod("isWallpaperSettingAllowed")
+                return (Boolean) wm.getClass().getDeclaredMethod("isSetWallpaperAllowed")
                         .invoke(wm);
             } catch (Exception e) { }
         }