Clean exported headers of the Remote Linux, Android plugins.

Change-Id: Ie7825b9c7f3e131a8afaebbd4c245f1227c8dcd4
Reviewed-by: Daniel Teske <daniel.teske@theqtcompany.com>

src/plugins/android/androidmanager.h

@@ -32,7 +32,6 @@
 #define ANDROIDMANAGER_H
 
 #include "android_global.h"
-#include <utils/fileutils.h>
 
 #include <QPair>
 #include <QObject>
@@ -43,6 +42,8 @@ class Kit;
 class Target;
 }
 
+namespace Utils { class FileName; }
+
 namespace Android {
 
 class AndroidQtSupport;