Most of these suppressions were for the old asm-validator or for the old compiler pipeline. Some more are just optimistically removed.

Bug: chromium:681088, chromium:681241, chromium:681806, chromium:662840
NOTRY=true

Change-Id: I4c6851a72d22070026eeaca90ad3394cfce10f90
Reviewed-on: https://chromium-review.googlesource.com/488641
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#44942}