bottle: upgraded package to upstream

Upgraded dev-python/bottle to version 0.12.12 on amd64

BUG=chromium:592898
TEST=Built and tested on local moblab device

Change-Id: I91cf8f95239ab5bd4df2518e058301f7e81ecc66
Reviewed-on: https://chromium-review.googlesource.com/922362
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Matt Mallett <mattmallett@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
(cherry picked from commit 698a54d2181c7f19e748d8c314e1345786e106cb)
Reviewed-on: https://chromium-review.googlesource.com/929461
Reviewed-by: Keith Haddow <haddowk@chromium.org>
Commit-Queue: Matt Mallett <mattmallett@chromium.org>
Trybot-Ready: Matt Mallett <mattmallett@chromium.org>
6 files changed