October 31 2018, Snapshot 1

Add this in your WORKSPACE file:

# Google Maven Repository
GMAVEN_TAG = "20181031-1"

http_archive(
    name = "gmaven_rules",
    strip_prefix = "gmaven_rules-%s" % GMAVEN_TAG,
    url = "https://github.com/bazelbuild/gmaven_rules/archive/%s.tar.gz" % GMAVEN_TAG,
)

load("@gmaven_rules//:gmaven.bzl", "gmaven_rules")

gmaven_rules()

Use the gmaven_artifact macro in your BUILD file:

load("@gmaven_rules//:defs.bzl", "gmaven_artifact")
android_library(
    ...
    deps = [
        gmaven_artifact("com.android.support:design:aar:27.0.2"),
        gmaven_artifact("com.android.support:support_annotations:jar:27.0.2"),
        gmaven_artifact("com.android.support.test.espresso:espresso_core:aar:3.0.1"),
    ],
)