liblo: use MediaDescriptor / clean-up
liblo: use MediaDescriptor / clean-up

Change-Id: If70519066081d8e2c8ed24771369d4afef336896

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