crush images

Run pngcrush on all the files to save some bytes.  Image output is
the same.  Saves 48312 bytes.

BUG=None
TEST=None

Change-Id: I6055110383f9afcdd2db2537ec46145ecaee80a4
Reviewed-on: https://chromium-review.googlesource.com/1094052
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Dan Erat <derat@chromium.org>
3 files changed