Read rotation setting correctly from the wallpaper picker.

If reading the rotation setting without the multi-process flag, the
WallpaperPickerActivity usually picks up a cached value. Specifying the
multi-process flag during the read fixes this and the wallpaper picker
always has the correct rotation setting.

Change-Id: Ic3639f8cd694674e92c8940b753c6bc30486076d
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index d52191b..191fdf4 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -515,7 +515,7 @@
         // In case we are on a device with locked rotation, we should look at preferences to check
         // if the user has specifically allowed rotation.
         if (!mRotationEnabled) {
-            mRotationEnabled = Utilities.isAllowRotationPrefEnabled(getApplicationContext());
+            mRotationEnabled = Utilities.isAllowRotationPrefEnabled(getApplicationContext(), false);
         }
 
         // On large interfaces, or on devices that a user has specifically enabled screen rotation,