qmljs: move defaultProjectInfoForProject to the qmljs library

This removes qmakeprojectmanager and qmlprojectmanager dependency on
qmljstools.
Qmlprojectmanager still imports qmltoolsconstants.h for a constant
but that gives no runtime dependency.

Change-Id: Ifd2e76500a3b27a21937603925f03a70049900e1
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>

src/libs/qmljs/qmljsmodelmanagerinterface.cpp

@@ -1399,6 +1399,12 @@ ModelManagerInterface::ProjectInfo ModelManagerInterface::defaultProjectInfo() c
     return m_defaultProjectInfo;
 }
 
+ModelManagerInterface::ProjectInfo ModelManagerInterface::defaultProjectInfoForProject(
+        ProjectExplorer::Project *) const
+{
+    return ModelManagerInterface::ProjectInfo();
+}
+
 void ModelManagerInterface::setDefaultVContext(const ViewerContext &vContext)
 {
     QMutexLocker locker(&m_mutex);