GitLab

This adds a collapsible section with manual steps for removing system
apps. This is helpful in case the script is broken (I've heard this is
still the case for some devices) or someone wants to remove a different
system app (ex. WebView shell).

Fixed: 1006037
Test: tools/md_browser/md_browser.py
Test: Upload to gerrit > open file > click "gitiles"
Change-Id: Id7a1bce22df6246bba34b6926a818c24c0e2d37c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2419812
Auto-Submit: Nate Fischer <ntfschr@chromium.org>
Reviewed-by: Laís Minchillo <laisminchillo@chromium.org>
Commit-Queue: Nate Fischer <ntfschr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#808908}