Android: Some code cosmetics

The naming scheme of the internal object was changed
to the usual pimpl pattern.

Also setup device update connection in the device constructory

Change-Id: I5cbb7a9d870a7d1f0e91e54f2ad6dfb95ea63e37
Reviewed-by: Vikas Pachdha <vikas.pachdha@qt.io>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/android/androidplugin.h

@@ -28,16 +28,15 @@
 #include <extensionsystem/iplugin.h>
 
 namespace Android {
-
-class AndroidPluginRunData;
-
+namespace Internal {
+class AndroidPluginPrivate;
 class AndroidPlugin : public ExtensionSystem::IPlugin
 {
     Q_OBJECT
     Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QtCreatorPlugin" FILE "Android.json")
 
 public:
-    AndroidPlugin();
+    AndroidPlugin() = default;
 
 private:
     ~AndroidPlugin() final;
@@ -45,10 +44,10 @@ private:
     bool initialize(const QStringList &arguments, QString *errorMessage) final;
     void extensionsInitialized() final { }
 
-    void updateDevice();
     void kitsRestored();
 
-    AndroidPluginRunData *m_runData = nullptr;
+    AndroidPluginPrivate *d = nullptr;
 };
 
+} // namespace Internal
 } // namespace Android