Hide workspace text in multi-window mode.

* Vertically centers workspace icons.
* New iconDisplay value so shortcut text is not overriden.

Bug: 32176631

Change-Id: I86753bab5b24aafc417e0f77d8c471fc4c0dc7f0
diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index 979c950..84b504e 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -618,7 +618,9 @@
 
     public void setIsHotseat(boolean isHotseat) {
         mIsHotseat = isHotseat;
-        mShortcutsAndWidgets.setIsHotseat(isHotseat);
+        mShortcutsAndWidgets.setContainerType(isHotseat
+                ? ShortcutAndWidgetContainer.HOTSEAT
+                : ShortcutAndWidgetContainer.DEFAULT);
     }
 
     public boolean isHotseat() {