Reformat code in PreviewRenderer.
Reformat code in PreviewRenderer.

Change-Id: Ia17c14a0bf3908fb9201996b64b5c1059ada3205

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