fix path to .xcu files in --enable-online-update build
fix path to .xcu files in --enable-online-update build

Change-Id: Id305df9d963276c13b0920bdfa24287c8792d25a

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core