Don't call NotifyDataSetChanged for count changes.
Don't call NotifyDataSetChanged for count changes.

Removed redundant call to NotifyDataSetChanged in BaseModelsViewAdapter
as when the Count changes the Models property is also changed, thus
currently we invalidated the data twice, for no benefit.

ZhangLeiCharles/mobile,eatskolnikov/mobile,eatskolnikov/mobile,masterrr/mobile,ZhangLeiCharles/mobile,masterrr/mobile,peeedge/mobile,eatskolnikov/mobile,peeedge/mobile