loplugin:stringconstant: Flag more inefficiencies
loplugin:stringconstant: Flag more inefficiencies

Change-Id: I81a60eb512356d19cb746145fdf0dc1a3c676ba1

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