[Android] Fix incorrect spacing in CollectionView with multiple spans (…

…#10624) fixes #9125 fixes #10585 fixes #13054 fixes #9681

* -fixed incorrect outRect values

* fixed unassigned offsets

* -fixed incorrect lastSpanIndex and outRect values

* -fixed itemdecorations stayed same when collection is updated

* Fix indexes in notifications

* Fix hang when inserting item in CarouselView

* Fix timing issue with Carousel current item when inserting

* Use GetSpanGroupIndex to determine first row/column

* Fix starting index for looped CarouselView

* Fix Carousel tests so they don't all fail when one fails;
Fix Carousel tests so they don't take 30 minutes to run;

* Fix index offset on looped Carousel;

Co-authored-by: E.Z. Hart <hartez@gmail.com>
Co-authored-by: Rui Marinho <me@ruimarinho.net>