Add jest-watch-typeahead

Summary: Had to split it out if Jest because of tomocchino's patents. I hate it. Anyway, I brought it back into RN because I can't live without it.

Reviewed By: rubennorte

Differential Revision: D16560078

fbshipit-source-id: c394e248dcd048866a31a7b08b233d8966af9ee3

package.json

@@ -139,7 +139,7 @@
  "eslint-plugin-relay": "1.3.0",
  "flow-bin": "^0.104.0",
  "flow-remove-types": "1.2.3",
- "jest": "^24.7.1",
+ "jest": "^24.8.0",
  "jest-junit": "^6.3.0",
  "jscodeshift": "^0.6.2",
  "mkdirp": "^0.5.1",