Add host_pkg_config for simple chrome builds.

host_pkg_config is used to make sure that compiled_actions targets
find the right libraries/include headers required for compilation on the
host machine for use elsewhere in the build process. It's related with
crbug.com/710841 and crbug.com/710006, which both block crbug.com/595493

BUG=chromium:716399
TEST=Built with simple-chrome environment

Change-Id: I2daaf5d7f89d7f5229946e0f19fe44ece530e714
Reviewed-on: https://chromium-review.googlesource.com/496446
Commit-Ready: Richard Townsend <richard.townsend@arm.com>
Tested-by: Richard Townsend <richard.townsend@arm.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
1 file changed