message: Fix Java Bazel targets for tink/java_src/.../internal.
diff: @@ -4,16 +4,17 @@ licenses(["notice"])
  package(default_visibility = ["//:__subpackages__"])
  +# Visible for our cross language tests only.
  +
  java_library(
  name = "key_template_proto_converter",
  srcs = ["KeyTemplateProtoConverter.java"],
  + visibility = ["//visibility:public"],
  deps = [
  "//proto:tink_java_proto",
  "//src/main/java/com/google/crypto/tink:key_template",
  "@com_google_protobuf//:protobuf_javalite",
  ],
  - # Visible for our cross language tests only
  - visibility = ["//visibility:public"],
  )
  java_library(
  @@ -37,7 +38,6 @@ android_library(
  java_library(
  name = "util",
  srcs = ["Util.java"],
  - deps = [],
  )
  android_library(
  