Removing tracing and @Stability for a fixed bug

Bug: 142514365
Change-Id: I147850db274c465fb964eca30b97b3ebaaa2ccf6

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

@@ -48,7 +48,6 @@ public class AddWidgetTest extends AbstractLauncherUiTest {
 
     @Test
     @PortraitLandscape
-    @Stability(flavors = UNBUNDLED_POSTSUBMIT) // b/142514365
     public void testDragIcon() throws Throwable {
         clearHomescreen();
         mDevice.pressHome();