Make tab label padding dependent on font height.
Make tab label padding dependent on font height.

Change-Id: I7de52945bdf3062174b49e12e2f05075632c7e4a

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