Sort the remaining items in flag_descriptions.cc

This makes the .cc file match the header. Some minor fixes were made
to the header.

[email protected]

Change-Id: I1e7a179c1d9561d00b27909c5fe6967620ce683f
Reviewed-on: https://chromium-review.googlesource.com/619890
Reviewed-by: Brett Wilson <[email protected]>
Commit-Queue: Brett Wilson <[email protected]>
Cr-Commit-Position: refs/heads/master@{#495415}
2 files changed