Release 3.3.1 (2020-06-30)
Release 3.3.1 (2020-06-30)

Baseline: c063b5caf776dee665497b64c5c17d4ed7e6750a

Cherry picks:

   + cb798a475eb54087e1e83f8aa1dc1c54550877b5:
     Restore missing Building with Platforms docs.
   + 9be97678b02bbd45d164c8458c8fd4f7791cb7aa:
     Release 3.3.0 (2020-06-17)
   + 3b0439e37247a480e08337a6314d06231bdbafd3:
     Fix incorrect assumption of desugar persistent worker conditional

This release contains contributions from many people at Google, as well as .

katre/bazel,ulfjack/bazel,safarmer/bazel,ButterflyNetwork/bazel,davidzchen/bazel,davidzchen/bazel,bazelbuild/bazel,davidzchen/bazel,bazelbuild/bazel,perezd/bazel,werkt/bazel,werkt/bazel,meteorcloudy/bazel,perezd/bazel,twitter-forks/bazel,davidzchen/bazel,werkt/bazel,cushon/bazel,davidzchen/bazel,davidzchen/bazel,katre/bazel,ulfjack/bazel,cushon/bazel,safarmer/bazel,katre/bazel,katre/bazel,cushon/bazel,cushon/bazel,meteorcloudy/bazel,perezd/bazel,ButterflyNetwork/bazel,meteorcloudy/bazel,ButterflyNetwork/bazel,twitter-forks/bazel,meteorcloudy/bazel,meteorcloudy/bazel,bazelbuild/bazel,meteorcloudy/bazel,werkt/bazel,safarmer/bazel,cushon/bazel,twitter-forks/bazel,perezd/bazel,ButterflyNetwork/bazel,bazelbuild/bazel,bazelbuild/bazel,ButterflyNetwork/bazel,perezd/bazel,ulfjack/bazel,ulfjack/bazel,ulfjack/bazel,safarmer/bazel,werkt/bazel,bazelbuild/bazel,twitter-forks/bazel,katre/bazel,ulfjack/bazel,werkt/bazel,cushon/bazel,ButterflyNetwork/bazel,katre/bazel,twitter-forks/bazel,safarmer/bazel,safarmer/bazel,perezd/bazel,twitter-forks/bazel,perezd/bazel,ulfjack/bazel,meteorcloudy/bazel,davidzchen/bazel,twitter-forks/bazel