migrating to rbe_preconfig (#62)

WORKSPACE

@@ -3,21 +3,20 @@ workspace(name = "io_bazel_rules_groovy")
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 http_archive(
-    name = "bazel_toolchains",
-    sha256 = "726b5423e1c7a3866a3a6d68e7123b4a955e9fcbe912a51e0f737e6dab1d0af2",
-    strip_prefix = "bazel-toolchains-3.1.0",
-    urls = [
-        "https://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/releases/download/3.1.0/bazel-toolchains-3.1.0.tar.gz",
-        "https://github.com/bazelbuild/bazel-toolchains/releases/download/3.1.0/bazel-toolchains-3.1.0.tar.gz",
-    ],
+    name = "bazelci_rules",
+    sha256 = "eca21884e6f66a88c358e580fd67a6b148d30ab57b1680f62a96c00f9bc6a07e",
+    strip_prefix = "bazelci_rules-1.0.0",
+    url = "https://github.com/bazelbuild/continuous-integration/releases/download/rules-1.0.0/bazelci_rules-1.0.0.tar.gz",
 )
 
-load("@bazel_toolchains//rules:rbe_repo.bzl", "rbe_autoconfig")
+load("@bazelci_rules//:rbe_repo.bzl", "rbe_preconfig")
 
-# Creates toolchain configuration for remote execution with BuildKite CI
-# for rbe_ubuntu1604
-rbe_autoconfig(
+# Creates a default toolchain config for RBE.
+# Use this as is if you are using the rbe_ubuntu16_04 container,
+# otherwise refer to RBE docs.
+rbe_preconfig(
     name = "buildkite_config",
+    toolchain = "ubuntu1804-bazel-java11",
 )
 
 load("//groovy:repositories.bzl", "rules_groovy_dependencies")