This contains my patch to allow not bundling lcms2 inside pdfium.

Change-Id: I37e070be352538f10895efa5e0829c07ced9bd5f
Reviewed-on: https://gerrit.libreoffice.org/39878Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>