Add Tests for work profile toggle

+ Fix minor style issues

Bug: 140099753
Bug: 112899690
Test: Manual
Change-Id: I1257560be79748abe54a75a74d93caa4390943b5

src/com/android/launcher3/allapps/AllAppsContainerView.java

@@ -153,6 +153,11 @@ public class AllAppsContainerView extends SpringRelativeLayout implements DragSo
         return mMultiValueAlpha.getProperty(index);
     }
 
+    public WorkFooterContainer getWorkFooterContainer() {
+        return mWorkFooterContainer;
+    }
+
+
     @Override
     protected void setDampedScrollShift(float shift) {
         // Bound the shift amount to avoid content from drawing on top (Y-val) of the QSB.