Android: Make avd output parsing testable

And add some tests

Change-Id: Ife0e0c60f55251a1ac23215055ece8fb01478d59
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/plugins/android/androidavdmanager.h

@@ -32,8 +32,6 @@
 namespace Android {
 namespace Internal {
 
-class AvdManagerOutputParser;
-
 class AndroidAvdManager
 {
     Q_DECLARE_TR_FUNCTIONS(Android::Internal::AndroidAvdManager)
@@ -62,7 +60,6 @@ private:
 
 private:
     const AndroidConfig &m_config;
-    std::unique_ptr<AvdManagerOutputParser> m_parser;
 };
 
 } // namespace Internal