Check precision qualification for all declarations Precision qualification is now checked properly also for declarations that don't have qualifiers. BUG=angleproject:1574 TEST=angle_unittests Change-Id: I3d186df0763e071614c1da9a355a6f6fefdc8091 Reviewed-on: https://chromium-review.googlesource.com/403949 Commit-Queue: Olli Etuaho <oetuaho@nvidia.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>