Final step of the java_cpp_template -> java_cpp_enum migration.

build/config/android/rules.gni

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/android/config.gni")
 import("//build/config/android/internal_rules.gni")
 import("//tools/grit/grit_rule.gni")
 
 assert(is_android)
 
@@ skipping 168 matching lines @@
     if (defined(invoker.public_deps)) {
       public_deps = invoker.public_deps
     }
     public_configs = [ ":jni_includes_${target_name}" ]
   }
 }
 
 
 # Declare a target for c-preprocessor-generated java files
 #
+# NOTE: For generating Java conterparts to enums prefer using the java_cpp_enum
+#       rule instead.
+#
 # This target generates java files using the host C pre-processor. Each file in
 # sources will be compiled using the C pre-processor. If include_path is
 # specified, it will be passed (with --I) to the pre-processor.
 #
 # This target will create a single .srcjar. Adding this target to an
 # android_library target's srcjar_deps will make the generated java files be
 # included in that library's final outputs.
 #
 # Variables
 #   sources: list of files to be processed by the C pre-processor. For each
@@ skipping 997 matching lines @@
   }
 
   android_library(target_name) {
     java_files = []
     srcjar_deps = [ ":${_template_name}__protoc_java" ]
     deps = [
       "//third_party/android_protobuf:protobuf_nano_javalib",
     ]
   }
 }