chore(virtual-scroll): set IterableDiffer to any
chore(virtual-scroll): set IterableDiffer to any

Adding this to avoid an angular version issue.

driftyco/ionic,driftyco/ionic,joshesp/ionic,alan-agius4/ionic,alan-agius4/ionic,joshesp/ionic,alan-agius4/ionic,TillaTheHun0/ionic,joshesp/ionic,joshesp/ionic,alan-agius4/ionic,TillaTheHun0/ionic,TillaTheHun0/ionic,TillaTheHun0/ionic,driftyco/ionic,driftyco/ionic,alan-agius4/ionic,driftyco/ionic,alan-agius4/ionic