Revert "Disable tests for notouch builds"

This reverts commit 312152d09848f4069ce6bae6b644c5eb73a7fe6c.

Reason for revert: The underlying issue can be resolved in a separate
layer, so it's no longer necessary to disable these tests.

Original change's description:
> Disable tests for notouch builds
>
> These tests are currently expected to fail in notouch.
> In this CL I've disabled and left a comment pointing to
> the associated bug.
>
> Bug: 956756
> Change-Id: I070da0ef5ae5a0fa1b03b3090d40aa3adf7c19f7
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1673918
> Reviewed-by: Gary Kacmarcik <garykac@chromium.org>
> Commit-Queue: Ian Vollick <vollick@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#672398}

TBR=garykac@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 956756, 1045960
Change-Id: I88537e3f233695ca228efdd7668aac2bbe2b96f7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2020930
Reviewed-by: Ian Vollick <vollick@chromium.org>
Commit-Queue: Wez <wez@chromium.org>
Auto-Submit: Wez <wez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#735431}