Android: Create a test for AndroidSdkManager's parseProgress

Quick and dirty as plugin test. Depending on how the upcoming SdkManager
parsing tests turn out, these could become standalone tests.

Launch qtcreator with command line option "-test Android"

Change-Id: I66c1604a1df96d8c2c50006052d664d4a339f5ff
Reviewed-by: Assam Boudjelthia <assam.boudjelthia@qt.io>

src/plugins/android/androidplugin.h

@@ -43,6 +43,12 @@ class AndroidPlugin final : public ExtensionSystem::IPlugin
     void askUserAboutAndroidSetup();
 
     class AndroidPluginPrivate *d = nullptr;
+
+#ifdef WITH_TESTS
+private slots:
+   void testAndroidSdkManagerProgressParser_data();
+   void testAndroidSdkManagerProgressParser();
+#endif // WITH_TESTS
 };
 
 } // namespace Internal