This disables tests that do not work on Fuchsia. Most of them are related
to cube maps which currently crash inside the intel driver.

Reland disabling -Wextra-semi.

BUG=angleproject:2475, angleproject:3145, angleproject:3081
TEST=angle_end2end_tests on Fuchsia

Change-Id: I65ad84f43c88e8ee83c581cc2f41046d00bbae7f
Reviewed-on: https://chromium-review.googlesource.com/c/1467604
Commit-Queue: Michael Spang <spang@chromium.org>
Reviewed-by: Michael Spang <spang@chromium.org>