Prevent taskbar icon tooltip from showing on hotseat transition.

Fix: 350512938
Test: TaskbarHoverToolTipControllerTest
Flag: EXEMPT bugfix
Change-Id: Ifc1647834358366b2d98555138edd4ad6286c16e

quickstep/src/com/android/launcher3/taskbar/TaskbarHoverToolTipController.java

@@ -159,6 +159,10 @@ public class TaskbarHoverToolTipController implements View.OnHoverListener {
         if (mHoverView == null || mToolTipText == null) {
             return;
         }
+        // Do not show tooltip if taskbar icons are transitioning to hotseat.
+        if (mActivity.isIconAlignedWithHotseat()) {
+            return;
+        }
         if (mHoverView instanceof FolderIcon && !((FolderIcon) mHoverView).getIconVisible()) {
             return;
         }