freetype: pull in metadata updates

This pulls in the sublot on libpng change.  This forces freetype to
be rebuilt whenever libpng updates sonames.

BUG=chromium:346369
TEST=created a new chroot, added libpng, ran update_chroot, saw freetype get rebuilt

Change-Id: I27820e74f206a6cde3d7fee9bb1a9ce736235bf9
Reviewed-on: https://chromium-review.googlesource.com/270080
Trybot-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Nam Nguyen <namnguyen@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
3 files changed