javascript: Run identityd with --httpaddr instead of --address
javascript: Run identityd with --httpaddr instead of --address

(Fixing fallout of https://veyron-review.googlesource.com/#/c/3310/)
(Nore that veyron_browser/Makefile seemed to have the wrong flag all along)

Change-Id: Iee9c5e66bfdf7786892429b725e9164b40afd6ce

vanadium/js,vanadium/js,vanadium/js,vanadium/js