tiff: upgraded package to upstream

Upgraded media-libs/tiff to version 4.2.0 on amd64

BUG=chromium:1187826
TEST=./build_packages --board=amd64-generic && CQ-passes

Change-Id: I91a8ad9a262ec9f92739aafa5fcd314060b58985
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2760877
Tested-by: Allen Webb <allenwebb@google.com>
Reviewed-by: Alex Klein <saklein@chromium.org>
Reviewed-by: Sean Kau <skau@chromium.org>
Commit-Queue: Sean Kau <skau@chromium.org>
Commit-Queue: Allen Webb <allenwebb@google.com>
10 files changed