Invoking onOverviewShown() on showRecents(false)

If a CTS test wants to show Recents in split-screen mode, we call this
and the test passes :) This is good enough for now.

Bug: 77275679
Test: atest android.server.am.ActivityManagerSplitScreenTests#testDockedStackToMinimizeWhenUnlocked
Change-Id: I5ac1b2890f70a48d86b7b0e85b6ebb8263843484

quickstep/src/com/android/quickstep/TouchInteractionService.java

@@ -134,6 +134,8 @@ public class TouchInteractionService extends Service {
             if (triggeredFromAltTab) {
                 setupTouchConsumer(HIT_TARGET_NONE);
                 mEventQueue.onOverviewShownFromAltTab();
+            } else {
+                mOverviewCommandHelper.onOverviewShown();
             }
         }