Add hints in Overview

If the ENABLE_HINTS_IN_OVERVIEW flag is enabled, pulls chip hint
data (currently from the NavBarHint plugin; eventually from AiAi)
and shows the chips between the task view screenshot and the QSB.

Screenshot: https://screenshot.googleplex.com/Ww05W13XjBv

BUG:124390101

Change-Id: I7686673b705257eca31f2fa40e2744e197153c7c
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index cf16759..f571aa3 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -257,7 +257,6 @@
 
     private RotationHelper mRotationHelper;
 
-
     private final Handler mHandler = new Handler();
     private final Runnable mHandleDeferredResume = this::handleDeferredResume;
 
@@ -756,6 +755,7 @@
         if (mLauncherCallbacks != null) {
             mLauncherCallbacks.onStop();
         }
+
         getUserEventDispatcher().logActionCommand(Action.Command.STOP,
                 mStateManager.getState().containerType, -1);