Update changelog.md to include 89694fa603d4db70809b922c472dd78c552a25b9
Update changelog.md to include 89694fa603d4db70809b922c472dd78c552a25b9

Reviewed By: colriot

Differential Revision: D19344890

fbshipit-source-id: 87737665493c7df4f942f69e8e2542ea760695e6

facebook/litho,facebook/litho,facebook/litho,facebook/litho,facebook/litho,facebook/litho