Summary:
Adding a handwritten view config for RCTScrollContentView. This host component doesn't actually have any props of its own separate from View; it's just a container for a ScrollView.
Changelog: [Internal]
Reviewed By: rickhanlonii
Differential Revision: D18283792
fbshipit-source-id: db95e981f54bef7c068b907c5d1fa52774dad147
Emily Janzer