GitLab

Pretty print the merged xml to make sure it follows our xml style before
sending to our server.

Bug: b/158215587
Change-Id: I6fd0776bd7a1db2e2f89db26399acdb2b1e36496
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2236681
Commit-Queue: Weilun Shi <sweilun@chromium.org>
Commit-Queue: Ilya Sherman <isherman@chromium.org>
Auto-Submit: Weilun Shi <sweilun@chromium.org>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#776333}