Do not go home when status bar collapse is requested.

This is only invoked from CTS and related tests. Some of these tests
attempt to launch an activity and then close the status bar in the
setup step. This exits the activity and is not desired.

Test: atest GtsIncidentManagerTestCases
Test: atest CtsAutoFillServiceTestCases
Bug: 150404191
Change-Id: Ic988c537dfbb72b6eac2dc3885bb832848f8df17

packages/SystemUI/src/com/android/systemui/statusbar/tv/TvStatusBar.java

@@ -74,11 +74,6 @@ public class TvStatusBar extends SystemUI implements CommandQueue.Callbacks {
         startSystemActivity(new Intent(ACTION_OPEN_TV_NOTIFICATIONS_PANEL));
     }
 
-    @Override
-    public void animateCollapsePanels(int flags, boolean force) {
-        startSystemActivity(new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_HOME));
-    }
-
     private void startSystemActivity(Intent intent) {
         PackageManager pm = mContext.getPackageManager();
         ResolveInfo ri = pm.resolveActivity(intent, PackageManager.MATCH_SYSTEM_ONLY);