Summary:
fixing oncall issue: https://fb.workplace.com/groups/rn.support/permalink/7241260632589156/
in this diff, we add the properties to the native views that are needed for the `onScroll` event.
`UITextField` is not a `UIScrollView` unlike `UITextView`, so we need to add these dummy properties
Changelog: [Internal]
Reviewed By: sammy-SC
Differential Revision: D32523147
fbshipit-source-id: 1d4f227f498fa1c333e2d6c457484b559ca18f7e
Phillip Pan
b735cdf09d