gbuild: add gb_Dictionary_add_localized_xcu_file
gbuild: add gb_Dictionary_add_localized_xcu_file

... which fixed en-US only builds of dictionaries.

Change-Id: Icc6e02bee80c10c5388dcac193fbcf1d36f6c50a

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