[aab] Fix APK build

Forward keystore_name, keystore_password and keystore_path to
android_apk_or_module to actually make use of those parameters.

Bug: 866352
Change-Id: I8c330b46b4d0d4f33db40b2f6fef69dd2a3ce74a
Reviewed-on: https://chromium-review.googlesource.com/1146901Reviewed-by: agrieve <agrieve@chromium.org>
Commit-Queue: Tibor Goldschwendt <tiborg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577191}

build/config/android/rules.gni

@@ -2797,6 +2797,9 @@ if (enable_java_templates) {
                                "input_jars_paths",
                                "java_files",
                                "javac_args",
+                               "keystore_name",
+                               "keystore_password",
+                               "keystore_path",
                                "load_library_from_apk",
                                "loadable_modules",
                                "native_lib_placeholders",