port alternative_locale_resource to GN.

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 2c9e0c59a87126df243a5ca85bc6d622e7197a4c..eb800a06b219d82a22f9e51d84f6586b1eb853c8 100644
--- a/build/config/android/internal_rules.gni
+++ b/build/config/android/internal_rules.gni
@@ -489,6 +489,13 @@ template("write_build_config") {
           rebase_path(invoker.r_text, root_build_dir),
         ]
       }
+      if (defined(invoker.is_locale_resource) && invoker.is_locale_resource) {
+        args += [ "--is-locale-resource" ]
+      }
+      if (defined(invoker.has_alternative_locale_resource) &&
+          invoker.has_alternative_locale_resource) {
+        args += [ "--has-alternative-locale-resource" ]
+      }
     }
 
     if (is_apk) {