Fix alertserver: add missing rules.html to build_release
Fix alertserver: add missing rules.html to build_release

BUG=skia:
TBR=jcgregorio

Review URL: https://codereview.chromium.org/833083011

Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,google/skia-buildbot