Manually updating Chrome OS orderfile name.

This is another manual update on the Chrome OS orderfile name,
to reflect the recent change on the orderfile name format. This is
another preparation for the autoroller.

BUG=chromium:950627
TEST=The orderfile is tested on Chrome OS. No code is using the orderfile for now

Change-Id: If2a88ec35d89e397c00904f8b5fc093cc7b77dfa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1739117
Auto-Submit: Tiancong Wang <tcwang@google.com>
Reviewed-by: Eric Boren <borenet@chromium.org>
Commit-Queue: Eric Boren <borenet@chromium.org>
Cr-Commit-Position: refs/heads/master@{#684424}

chromeos/profiles/orderfile.newest.txt

-chromeos-chrome-orderfile-field-77-3849.0-benchmark-77.0.3862.0-r1.orderfile.xz
+chromeos-chrome-orderfile-field-77-3849.0-1564392858-benchmark-77.0.3865.16-r1.orderfile.xz