Rename namespace Qt4ProjectManager to QmakeProjectManager

First step towards plugin renaming.

Change-Id: I8ac017660a7aa2bda0d7bb7d72ab0cfceaf6cfd2
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/android/androidruncontrol.cpp

@@ -111,4 +111,4 @@ QIcon AndroidRunControl::icon() const
 }
 
 } // namespace Internal
-} // namespace Qt4ProjectManager
+} // namespace Android