Revert "[Gardener] Disable tests for Ink save when not in edit mode"

This reverts commit 5262814cb0a4cc8d5ac1ce463c1786a2638c2316.

Reason for revert: Already fixed by https://crrev.com/1474755. The CL
being reverted also disables the wrong tests.

BUG: 425592465 Original change's description:
> [Gardener] Disable tests for Ink save when not in edit mode
>
> The tests PdfViewWebPluginSaveTest.AnnotationInNonEditMode and
> PdfViewWebPluginSaveTest.EditedInNonEditMode are failing on multiple
> builders (e.g.
> ci.chromium.org/ui/p/chrome/builders/ci/chromeos-betty-chrome-dchecks )
>
> BUG: 425592465
> Change-Id: I8a2429c81142247a1c81e8e61aee929c4e3e764f
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6651468
> Commit-Queue: Alexandra Reimers <areimers@chromium.org>
> Auto-Submit: Alexandra Reimers <areimers@chromium.org>
> Reviewed-by: Thomas Nguyen <tungnh@chromium.org>
> Commit-Queue: Thomas Nguyen <tungnh@chromium.org>
> Owners-Override: Alexandra Reimers <areimers@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#1474862}

Bug: 425592465
Change-Id: I23f91aa1d8cc8dcbce77ae636d8d52aa1b2c82fa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6653171
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Andy Phan <andyphan@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1475210}