[speech_synthesis] use libchromeos.pc

BUG=chromium-os:24959
TEST=build

Signed-off-by: Elly Jones <ellyjones@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/14020
(cherry picked from commit 16e88a9fb32266b5fc67bfeee29848e4de3c53de)

Change-Id: Ie1e5db8436b5397e691cc638b6c89ec87f1ff9af
Reviewed-on: https://gerrit.chromium.org/gerrit/14514
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Elly Jones <ellyjones@chromium.org>
Commit-Ready: Elly Jones <ellyjones@chromium.org>
1 file changed