weave: rename to satisfy GN lint

I confirmed repo upload does not complain for gn lint error.
Note that I ignored cros lint errors. I think it's fine as I just
renamed the source code and cros lint errors are not due to renaming.

TEST=FEATURES=test emerge-$BOARD libweave # BOARD=betty
BUG=chromium:971584

Change-Id: I1f85091e7376ca4c7788b998ddd6fe41e9fd039b
Reviewed-on: https://chromium-review.googlesource.com/1729179
Tested-by: Keigo Oka <oka@chromium.org>
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Tatsuhisa Yamaguchi <yamaguchi@chromium.org>
32 files changed