Clear Accessibility Focus from icon after Shorcut Menu invoked

Similar to I2726504094af2abacf1c41089c7bcd4efb588099

Fixes: 267695526
Test: have talkback on
      open all apps
      open long press menu
      ensure focus stays on pop up menu

Change-Id: I38f78df3855495c53a5ae8966e9a996e4679e95b

src/com/android/launcher3/BaseActivity.java

@@ -29,6 +29,7 @@ import android.content.Intent;
 import android.content.res.Configuration;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.View;
 import android.window.OnBackInvokedDispatcher;
 
 import androidx.annotation.IntDef;
@@ -362,6 +363,12 @@ public abstract class BaseActivity extends Activity implements ActivityContext {
         return (mForceInvisible & mask) != 0;
     }
 
+    /**
+     * Attempts to clear accessibility focus on {@param view}.
+     */
+    public void tryClearAccessibilityFocus(View view) {
+    }
+
     public interface MultiWindowModeChangedListener {
         void onMultiWindowModeChanged(boolean isInMultiWindowMode);
     }