Refactor FolderInsetAnimationCallback to be used with any view

- Update ic_corp_off icon to outline
- Remove shadow from work toggle
- Translate work fab when keyboard is shown

Screenshot: https://screenshot.googleplex.com/593tEg7bE4kSS4y

Bug: 191251404
Bug: 191250785
Test: local
Change-Id: Ie7dddfd17eb90575a1e1f67e281070dd8d268f8d

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

@@ -132,7 +132,6 @@ public class AllAppsContainerView extends SpringRelativeLayout implements DragSo
     private ScrimView mScrimView;
     private int mHeaderColor;
 
-
     public AllAppsContainerView(Context context) {
         this(context, null);
     }
@@ -572,6 +571,10 @@ public class AllAppsContainerView extends SpringRelativeLayout implements DragSo
         return mViewPager == null ? getActiveRecyclerView() : mViewPager;
     }
 
+    public int getCurrentPage() {
+        return mViewPager != null ? mViewPager.getCurrentPage() : AdapterHolder.MAIN;
+    }
+
     /**
      * Handles selection on focused view and returns success
      */