Merge branch 'stable-3.0' into stable-3.1

* stable-3.0:
  Bump Bazel version to 2.0.0

Change-Id: Ic068c86b15c2a2352b6cc40a14d7a148130cae1f

.bazelversion

diff --git a/.bazelversion b/.bazelversion
index 9084fa2..227cea2 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-1.1.0
+2.0.0