Fuchsia is transitioning its view creation APIs. Migrate to the new one.

BUG=angleproject:2475
TEST=angle_end2end_tests on Fuchsia

Change-Id: I09abfda18a5e3da46909b5b967325a083586a7d0
Reviewed-on: https://chromium-review.googlesource.com/c/1474337Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Michael Spang <spang@chromium.org>