Fix Linux GCC unit test build. In a Chromium build, we must respect initializer order due to extended warnings. BUG=angle:568 Change-Id: I4d86fdd2c5663524c2ffd17e3e3c26da1ff3ccdb Reviewed-on: https://chromium-review.googlesource.com/196291 Reviewed-by: Shannon Woods <shannonwoods@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Jamie Madill <jmadill@chromium.org>