Code sanitization

- Removed bad method/class name typos

Change-Id: Ie6900e9e3d9ce9b550d2a2442a5dac3f7050a573
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index b4f0a49..95e3d82 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -618,7 +618,7 @@
         return ATLEAST_LOLLIPOP && powerManager.isPowerSaveMode();
     }
 
-    public static boolean isWallapaperAllowed(Context context) {
+    public static boolean isWallpaperAllowed(Context context) {
         if (isNycOrAbove()) {
             try {
                 WallpaperManager wm = context.getSystemService(WallpaperManager.class);