Add tooltip with HWIDs, shorten description.

Change-Id: I7d1c12f7711ebd7bf8b4a3a932ceedb4f1863e6d
Reviewed-on: http://gerrit.chromium.org/gerrit/2619
Tested-by: Avi Drissman <avi@chromium.org>
Reviewed-by: Avi Drissman <avi@chromium.org>
3 files changed
tree: c1767c9a7c233db72b1b0d959995d8747bef9312
  1. linux/
  2. mac/
  3. README
  4. README_formats.txt