Summary:
* Wrote a test to prove invalidate controller is not being called for components that are removed whilst the hosting view is still alive.
* Implemented a fix in the hosting view that makes the test pass, but is turned off by default.

Reviewed By: kfirapps

Differential Revision: D9496258

fbshipit-source-id: 8a04d1ec79161ac2337ea0f3815801a84b839bd8