Fix image-source test for API 27
setupAsRootView now makes the component styleScope
set css, addCss & addCssFile makes view to be styleScopeHost which cannot be overriden later from parent
Android modals now call setupAsRootView
Small fixes on ios layouts
launch event fired in andriod too
Moved some requestLayout calls to ios files where they belongs
* Added tests for native view recycling
Disabled android native view recycling
Move toString from view-common to view-base
Fix crash on application restore and navigation back on API26
Added setAsRootView method
Added missing logo into perf-tests/recycling app
* additional fix for image-source-tests. ios is case sensitive.
* Add @private to some internal properties
Fix where padding is not respected when background is reset.
* Remove a duplicate snippet: image-create-datauri
* Remove a reference to a missing snippet: console-dump
* Readd a missing snippet: imagesource-resname
* Fix a broken snippet reference: timer-set-ten
* Fix a broken snippet reference: timer-set-fifty
