Resolves: #i121503# fix resize/paint race in the backing window
Resolves: #i121503# fix resize/paint race in the backing window

(cherry picked from commit 9d578cebcd9d1e1c16c04cbefc5de2ab511ea335)

Conflicts:
	framework/source/services/backingwindow.cxx

Change-Id: Ic5e590465e19b02b6a9b426072818cea5bb3f912

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