TAPL: Verifying activity start/stop events

It also turned out that Pilfer event seems to come in a
non-deterministic order relative to the events from the Main and TIS
sequences. So I moved it to its own sequence.

Change-Id: Ie4ea5865afd900bebbd8287dad2372c94dce8ad5

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

@@ -94,7 +94,7 @@ public class AddConfigWidgetTest extends AbstractLauncherUiTest {
         WidgetConfigStartupMonitor monitor = new WidgetConfigStartupMonitor();
         widgets.
                 getWidget(mWidgetInfo.getLabel(mTargetContext.getPackageManager())).
-                dragToWorkspace();
+                dragToWorkspace(true);
         // Widget id for which the config activity was opened
         mWidgetId = monitor.getWidgetId();