Remove press home command from AddConfigWidgetTest.

Context: b/192406323#comment4

Bug: 192406323
Test: AddConfigWidgetTest
Change-Id: I2741358de93f75ef7ed73ee97964020162542756

tests/src/com/android/launcher3/ui/widget/AddConfigWidgetTest.java

@@ -102,8 +102,7 @@ public class AddConfigWidgetTest extends AbstractLauncherUiTest {
 
         setResult(acceptConfig);
         if (acceptConfig) {
-            // Dismiss widget resize frame.
-            mDevice.pressHome();
+            // TODO(b/192655785) Assert widget resize frame is shown and then dismiss it.
             Wait.atMost("", new WidgetSearchCondition(), DEFAULT_ACTIVITY_TIMEOUT, mLauncher);
             assertNotNull(mAppWidgetManager.getAppWidgetInfo(mWidgetId));
         } else {