Change the C runtime from static to dynamic. BUG=angle:733 Change-Id: Iab9a3fbc8aa1e05f4d969016ab28bac868089487 Reviewed-on: https://chromium-review.googlesource.com/224482 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>