Add proto_bazel_features

Author: jsharpe

examples/deps/deps_jvm_external.bzl

@@ -1,5 +1,8 @@
 """A module for bringing in transitive dependencies of rules_jvm_external"""
 
+# note that the following line is what is minimally required from protobuf for the java rules
+# consider using the protobuf_deps() public API from @com_google_protobuf//:protobuf_deps.bzl
+load("@com_google_protobuf//bazel/private:proto_bazel_features.bzl", "proto_bazel_features")  # buildifier: disable=bzl-visibility
 load("@rules_jvm_external//:defs.bzl", "maven_install")
 
 def deps_jvm_external():
@@ -14,3 +17,4 @@ def deps_jvm_external():
             "https://repo1.maven.org/maven2",
         ],
     )
+    proto_bazel_features(name = "proto_bazel_features")