Move language pak files to assets.

android_webview/test/BUILD.gn

Index: android_webview/test/BUILD.gn
diff --git a/android_webview/test/BUILD.gn b/android_webview/test/BUILD.gn
index 0148f7be2636e2b19ab4a6abce33007010b673f7..df3639644d925e5363d8efac9047570728ccbdef 100644
--- a/android_webview/test/BUILD.gn
+++ b/android_webview/test/BUILD.gn
@@ -48,6 +48,8 @@ android_apk("android_webview_apk") {
     ":libstandalonelibwebviewchromium",
   ]
 
+  srcjar_deps = [ "//android_webview:locale_pak_srcjar" ]
+
   native_lib_version_rule = "//build/util:chrome_version_json"
   _native_lib_file =
       rebase_path("$root_gen_dir/CHROME_VERSION.json", root_build_dir)
@@ -63,6 +65,7 @@ android_resources("android_webview_apk_resources") {
 
 android_assets("android_webview_apk_assets") {
   deps = [
+    "//android_webview:locale_pak_assets",
     "//android_webview:pak_file_assets",
     "//third_party/icu:icu_assets",
     "//v8:v8_external_startup_data_assets",