Anonymize UUIDs and volume labels for external media

The output of 'lsblk' and 'blkid' are to be added to feedback logs.
However, UUIDs from blkid don't necessarily follow the expected UUID
pattern. Also, external media can contain user-defined volume labels.

Bug: 1045239
Change-Id: I972f1281755a204b0e6e9a554841f1a799c59a3a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2016773
Reviewed-by: Ian Barkley-Yeung <iby@chromium.org>
Reviewed-by: Jeffrey Kardatzke <jkardatzke@google.com>
Reviewed-by: J Kardatzke <jkardatzke@chromium.org>
Commit-Queue: Anand Mistry <amistry@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#737963}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 8b1f4b1469a618de0a0f5d705d199d0847c2fdc1
2 files changed