Fix list of watch folders for electron dev build
Fix list of watch folders for electron dev build

Summary: Restart electron app if we had any server-code changes

Reviewed By: lblasa

Differential Revision: D39542169

fbshipit-source-id: fb8e335f3e3fe0cf34e57a79b96e9cc8377e9fda

facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper