Allow to exlude jar in android_standalone_library.

build/config/android/internal_rules.gni

Index: build/config/android/internal_rules.gni
diff --git a/build/config/android/internal_rules.gni b/build/config/android/internal_rules.gni
index c31d40eca76c4597f5b622c469e2bf58330edd0d..7b74abd8a09a8185cd1681a85aadf464e02b583d 100644
--- a/build/config/android/internal_rules.gni
+++ b/build/config/android/internal_rules.gni
@@ -1093,5 +1093,13 @@ template("deps_dex") {
     output = invoker.dex_path
     dex_arg_key = "${rebased_build_config}:final_dex:dependency_dex_files"
     args = [ "--inputs=@FileArg($dex_arg_key)" ]
+    if (defined(invoker.excluded_jars)) {
+      result = exec_script("//build/android/gn/to_json.py",
+                           rebase_path(invoker.excluded_jars, root_build_dir),
+                           "string")
+      result_file = rebase_path("$target_gen_dir/${target_name}.exclusions")
+      write_file(result_file, result)
+      args += [ "--excluded-paths-file=${result_file}" ]
+    }
   }
 }