pyserial: upgraded package to upstream

Upgraded dev-python/pyserial to version 3.5-r2.

BUG=b:318531403,b:318532035
TEST=CQ

Disallow-Looks-For-Green: True
Change-Id: I1032c67fe2cece525c89188b09d509c63f411eba
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/5484134
Reviewed-by: Allen Webb <allenwebb@google.com>
Auto-Submit: Jack Rosenthal <jrosenth@chromium.org>
Commit-Queue: Jack Rosenthal <jrosenth@chromium.org>
Tested-by: Jack Rosenthal <jrosenth@chromium.org>
2 files changed