x11-libs: Sync with upstream

Upgraded x11-libs/gdk-pixbuf to version 2.42.10-r1 on amd64
Upgraded x11-libs/libICE to version 1.1.1-r1 on amd64
Upgraded x11-libs/libSM to version 1.2.4 on amd64
Upgraded x11-libs/libX11 to version 1.8.4 on amd64
Upgraded x11-libs/libXdamage to version 1.1.6 on amd64
Upgraded x11-libs/libXdmcp to version 1.1.4-r2 on amd64
Upgraded x11-libs/pango to version 1.50.13 on amd64

Non-version bumping changes to other ebuilds.

BUG=none
TEST=CQ

Change-Id: I59f37d4641c48608d98c7efcf90f77c14b34de0f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/4288792
Commit-Queue: Fergus Dall <sidereal@google.com>
Reviewed-by: James Ye <jamesye@google.com>
Auto-Submit: Fergus Dall <sidereal@google.com>
Commit-Queue: James Ye <jamesye@google.com>
Tested-by: Fergus Dall <sidereal@google.com>
31 files changed