Android: Inline AndroidManager::intentName into only user

Using Target is actually not optimal as handle to access that
information (BuildSystem + BuildKey or sth to that effect would
be better), so reduce the visibility of this kind of interface.

Change-Id: I138f156b51795d51d2af49c5119d160663dfc20d
Reviewed-by: Assam Boudjelthia <assam.boudjelthia@qt.io>
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/plugins/android/androidmanager.cpp

@@ -205,11 +205,6 @@ void AndroidManager::apkInfo(const Utils::FilePath &apkPath,
     }
 }
 
-QString AndroidManager::intentName(ProjectExplorer::Target *target)
-{
-    return packageName(target) + QLatin1Char('/') + activityName(target);
-}
-
 QString AndroidManager::activityName(ProjectExplorer::Target *target)
 {
     QDomDocument doc;