Pass input_jars_paths of libs to final proguard step

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("//build/config/dcheck_always_on.gni")
 import("//build/toolchain/toolchain.gni")
 
 assert(is_android)
@@ skipping 1836 matching lines @@
                    _build_config,
                    _jar_path,
                  ] + _proguard_configs
 
         output_jar_path = _proguard_output_jar_path
         _rebased_proguard_configs =
             rebase_path(_proguard_configs, root_build_dir)
         args = [
           "--proguard-configs=$_rebased_proguard_configs",
           "--input-paths=@FileArg($_rebased_build_config:proguard:input_paths)",
+          "--classpath=@FileArg($_rebased_build_config:proguard:lib_paths)",
         ]
         if (defined(invoker.apk_under_test)) {
           deps += [
             "${invoker.apk_under_test}__build_config",
             "${invoker.apk_under_test}__proguard",
           ]
           _apk_under_test_build_config =
               get_label_info(invoker.apk_under_test, "target_gen_dir") + "/" +
               get_label_info(invoker.apk_under_test, "name") + ".build_config"
           _rebased_apk_under_test_build_config =
@@ skipping 812 matching lines @@
     _jar_targets = []
     _counter = 0
     foreach(jar, _scanned_files.jars) {
       _counter += 1
       _current_target = "${target_name}__jar_$_counter"
       _jar_targets += [ ":$_current_target" ]
       java_prebuilt(_current_target) {
         forward_variables_from(invoker,
                                [
                                  "deps",
+                                 "input_jars_paths",
                                  "requires_android",
                                  "jar_excluded_patterns",
                                ])
         if (!defined(deps)) {
           deps = []
         }
         deps += _resource_targets + [ ":$_unpack_target_name" ]
         if (!defined(requires_android)) {
           requires_android = true
         }
         supports_android = true
         jar_path = "${_output_path}/$jar"
       }
     }
 
     java_group(target_name) {
       deps = _resource_targets + _jar_targets
     }
   }
 }