Reland "Infra: Switching CI builder tests to Bionic"

This is a reland of 12a86dc

Removing MSAN testers from the migration as they are having issues on
Bionic

Original change's description:
> Infra: Switching CI builder tests to Bionic
>
> Bug: 1202745
> Change-Id: I7bc7cb172e6280e90cfe7b6ad1c0ebb26e74c543
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2891816
> Commit-Queue: Gary Tong <gatong@chromium.org>
> Reviewed-by: Erik Staab <estaab@chromium.org>
> Reviewed-by: Ben Pastene <bpastene@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#882986}

Bug: 1202745
Change-Id: Ib14fbaf54516ede9e4de8f1945fb64cf888cc2dc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2897925
Commit-Queue: Gary Tong <gatong@chromium.org>
Reviewed-by: Erik Staab <estaab@chromium.org>
Reviewed-by: Ben Pastene <bpastene@chromium.org>
Cr-Commit-Position: refs/heads/master@{#883635}