[Merge] ~ubuntu-core-dev/grub/+git/ubuntu:breadcrumbs into ~ubuntu-core-dev/grub/+git/ubuntu:ubuntu

[Steve Langasek]

Review: Approve

+1 based on out-of-band confirmation from Matt that this matches existing quoting convention in grub output.
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https://code.launchpad.net/~ubuntu-core-dev/grub/+git/ubuntu/+merge/361465
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