message: libevent: update to include patch on master
  Pulls in the change added by to fix
diff: @@ -127,15 +127,16 @@ REPOSITORY_LOCATIONS = dict(
  urls = ["https://github.com/google/benchmark/archive/v1.5.0.tar.gz"],
  ),
  com_github_libevent_libevent = dict(
  - sha256 = "6f799dd920aab9487cb04cd40627a5d4104fbbd246ebb5c8fd5e520055af2ef5",
  + sha256 = "549d34065eb2485dfad6c8de638caaa6616ed130eec36dd978f73b6bdd5af113",
  # This SHA includes the new "prepare" and "check" watchers, used for event loop performance
  # stats (see https://github.com/libevent/libevent/pull/793) and the fix for a race condition
  # in the watchers (see https://github.com/libevent/libevent/pull/802).
  - # This also includes the fix for https://github.com/libevent/libevent/issues/806
  + # This also includes the fixes for https://github.com/libevent/libevent/issues/806
  + # and https://github.com/lyft/envoy-mobile/issues/215.
  # TODO(mergeconflict): Update to v2.2 when it is released.
  - strip_prefix = "libevent-3b1864b625ec37c3051512845982f347f4cc5621",
  - # 2019-05-16
  - urls = ["https://github.com/libevent/libevent/archive/3b1864b625ec37c3051512845982f347f4cc5621.tar.gz"],
  + strip_prefix = "libevent-0d7d85c2083f7a4c9efe01c061486f332b576d28",
  + # 2019-07-02
  + urls = ["https://github.com/libevent/libevent/archive/0d7d85c2083f7a4c9efe01c061486f332b576d28.tar.gz"],
  ),
  net_zlib = dict(
  # TODO(moderation): revert to com_github_madler_zlib name pending resolution of workaround
  