cachetools: upgraded package to upstream

Upgraded dev-python/cachetools to version 2.1.0 on amd64

BUG=chromium:870100
TEST=emerge-fizz-moblab dev-python/cachetools

Change-Id: I4fb4580221e23ba3e7c17ccaaacc82e13f95b521
Reviewed-on: https://chromium-review.googlesource.com/1283651
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Keith Haddow <haddowk@chromium.org>
Reviewed-by: Jason Clinton <jclinton@chromium.org>
3 files changed