[INTERNAL] sap.ui.mdc.library: move JSDoc for library to top
[INTERNAL] sap.ui.mdc.library: move JSDoc for library to top

Change-Id: I1c6d2a86cc2d17fa5c9aa2f5ae9c963bcc0397a9

SAP/openui5,SAP/openui5,SAP/openui5,SAP/openui5