Print Preview: Enable TrustedTypes

Bug: 1098690
Change-Id: Ib0c3b8c01a1f92bc94e7b9e90c14223b81c539be
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4044633


Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1075373}