Pass input_jars_paths of libs to final proguard step

build/config/android/rules.gni

Index: build/config/android/rules.gni
diff --git a/build/config/android/rules.gni b/build/config/android/rules.gni
index 239be859228e6cbcaaac22ee03f7782c96d5bc3c..49c42b9a9f572301780f7b8bd35ea1e3acba43c1 100644
--- a/build/config/android/rules.gni
+++ b/build/config/android/rules.gni
@@ -1854,6 +1854,7 @@ if (enable_java_templates) {
         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 += [
@@ -2686,6 +2687,7 @@ if (enable_java_templates) {
         forward_variables_from(invoker,
                                [
                                  "deps",
+                                 "input_jars_paths",
                                  "requires_android",
                                  "jar_excluded_patterns",
                                ])