Revert of Move language pak files to assets.

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 797e82aa02297cf6a67f0f243aca5157c52e04f9..67e84c01735cfb6f4b89230cd5c40f8d3dce4bea 100644
--- a/build/config/android/internal_rules.gni
+++ b/build/config/android/internal_rules.gni
@@ -275,6 +275,13 @@
           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_android_resources && defined(invoker.resource_dirs)) {