pillow: upgraded package to upstream

Upgraded dev-python/pillow to version 7.2.0 on amd64, arm

BUG=b:164293929
TEST=emerge and cros deploy it to DUT.

Change-Id: I3f4c3ccf9d646c0cb8514dfbb6a3b1fb76377fc2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2372065
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Pin-yen Lin <treapking@chromium.org>
Tested-by: Ching-Kang Yen <chingkang@chromium.org>
Commit-Queue: Ching-Kang Yen <chingkang@chromium.org>
7 files changed