pixman: upgraded package to upstream

Upgraded x11-libs/pixman to version 0.42.2 on amd64

BUG=chromium:1381763
TEST=CQ

Change-Id: I2ac1304c122bcb5391ae1333e8c23ebae1cbd2eb
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/4009878
Commit-Queue: Fergus Dall <sidereal@google.com>
Commit-Queue: James Ye <jamesye@google.com>
Auto-Submit: Fergus Dall <sidereal@google.com>
Reviewed-by: James Ye <jamesye@google.com>
Tested-by: Fergus Dall <sidereal@google.com>
(cherry picked from commit cd2cd311146024b3ea88d77f14811b5fa19c9f32)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/4022559
3 files changed