Android: skip flaky tst_qcalendarwidget::showPrevNext()

Pick-to: 6.2 6.3
Task-number: QTBUG-102258
Change-Id: I96b5003e0b4266250e526439370603b47562cdea
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>

tests/auto/widgets/widgets/qcalendarwidget/tst_qcalendarwidget.cpp

@@ -290,6 +290,9 @@ void tst_QCalendarWidget::showPrevNext()
     QFETCH(ShowFunc, function);
     QFETCH(QDate, dateOrigin);
     QFETCH(QDate, expectedDate);
+#ifdef Q_OS_ANDROID
+    QSKIP("Crashes sometimes on Android emulator, figure out why (QTBUG-102258)");
+#endif
 
     QCalendarWidget calWidget;
     calWidget.show();