Summary:
Original commit changeset: f149721d6b4d (D15238379)
This commit was causing the following crash: Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'An instance 0x7fb3453eda00 of class RCTUITextField was deallocated while key value observers were still registered with it.
FB: See also P64445585 T44107377 T44169319
Reviewed By: mmmulani
Differential Revision: D15323255
fbshipit-source-id: 037c34ae387d912c5ea03eaa364b8c60367df357