Enabling fake rotation by default

Fake rotation is only enabled if homescreen rotation is not enabled

Bug: 131360075
Change-Id: Ie56fc4b46b38d3a599ec6da3d506a971e73b0394
diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index 3eb01e6..09fb244 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -845,7 +845,8 @@
      * width in {@link DeviceProfile#calculateCellWidth(int, int)}.
      */
     public int getUnusedHorizontalSpace() {
-        return getMeasuredWidth() - getPaddingLeft() - getPaddingRight() - (mCountX * mCellWidth);
+        return (mRotationMode.isTransposed ? getMeasuredHeight() : getMeasuredWidth())
+                - getPaddingLeft() - getPaddingRight() - (mCountX * mCellWidth);
     }
 
     public Drawable getScrimBackground() {