CMakeProjectManager: Write cmake configuration into qtcsettings.cmake

The parameters sent to CMake are also saved as qtcsettings.cmake,
this allows Android Multi-ABI CMake projects apply the settings
for all ABIs.

This was part of 196b0da08a

Task-number: QTCREATORBUG-25183
Change-Id: I6d4f210247d5377cab855a1a051cf7aa815192c7
Reviewed-by: BogDan Vatra <bogdan@kdab.com>

src/plugins/cmakeprojectmanager/cmakebuildsystem.h

@@ -29,7 +29,6 @@
 #include "cmakebuildtarget.h"
 #include "cmakeprojectnodes.h"
 #include "fileapireader.h"
-#include "utils/macroexpander.h"
 
 #include <projectexplorer/buildsystem.h>
 
@@ -155,6 +154,8 @@ private:
 
     void runCTest();
 
+    void writeConfigurationIntoBuildDirectory();
+
     ProjectExplorer::TreeScanner m_treeScanner;
     QHash<QString, bool> m_mimeBinaryCache;
     QList<const ProjectExplorer::FileNode *> m_allFiles;