Android: skip tst_QFile::moveToTrash()

Android doesn't have a trash bin, so this test is not valid for that
platform.

Pick-to: 6.0
Fixes: QTBUG-89398
Change-Id: I119b25682ba18e18466b5687cae369445dc73311
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

tests/auto/corelib/io/qfile/BLACKLIST

@@ -1,3 +0,0 @@
-# QTBUG-89398
-[moveToTrash]
-android

tests/auto/corelib/io/qfile/tst_qfile.cpp

@@ -3715,6 +3715,9 @@ void tst_QFile::moveToTrash_data()
 
 void tst_QFile::moveToTrash()
 {
+#ifdef Q_OS_ANDROID
+    QSKIP("Android doesn't implement a trash bin");
+#endif
     QFETCH(QString, source);
     QFETCH(bool, create);
     QFETCH(bool, result);