Update to Bazel 0.18.0

Author: gregmagolan

.circleci/config.yml

@@ -4,7 +4,7 @@
 # We use a docker image as the basis for our build, so that all the toolchains we use
 # are already installed and the build can start running right away. It also guarantees
 # the environment is portable and reproducible on your local machine.
-var_1: &docker_image angular/ngcontainer:0.6.0
+var_1: &docker_image angular/ngcontainer:0.7.0
 
 # CircleCI lets us pick the key for storing one or more caches, to speed up subsequent builds.
 # We can use this to avoid re-fetching our dependencies from npm on every build.
@@ -13,7 +13,7 @@ var_1: &docker_image angular/ngcontainer:0.6.0
 # - the branch we are on, which really shouldn't be needed since the yarn lock file should be hermetic
 # - the docker image tag, working around an issue we saw where changing docker images causes permission
 #   errors when restoring the cache, like when the user we run as changes
-var_2: &cache_key angular-{{ .Branch }}-{{ checksum "yarn.lock" }}-0.6.0
+var_2: &cache_key angular-{{ .Branch }}-{{ checksum "yarn.lock" }}-0.7.0
 
 # Each job will inherit these defaults
 anchor_1: &job_defaults