Merge branch 'stable-5.9'

* stable-5.9:
  Bump Bazel version to 3.5.0

Change-Id: Ic96a2918c34696d31af5104305201e8426989a9d
Signed-off-by: Marco Miller <marco.miller@ericsson.com>
diff --git a/.bazelversion b/.bazelversion
index fd2a018..1545d96 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-3.1.0
+3.5.0