Launch wallpaper picker with rectangular reveal

There was a logic error causing it to be launched with null
activity options.

Bug: 37904252
Change-Id: Ia44b7bccf0b7f83ceab9d3949542b79a842e4873
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index ff7ca81..0075887 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -2533,8 +2533,8 @@
                 .putExtra(Utilities.EXTRA_WALLPAPER_OFFSET, offset);
 
         String pickerPackage = getString(R.string.wallpaper_picker_package);
-        boolean hasTargetPackage = TextUtils.isEmpty(pickerPackage);
-        if (!hasTargetPackage) {
+        boolean hasTargetPackage = !TextUtils.isEmpty(pickerPackage);
+        if (hasTargetPackage) {
             intent.setPackage(pickerPackage);
         }