Reland of 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 2db4c1963f4ab45e3fe12ad7c3459b8681b49f06..d9ac5914a21ff1e6e34593082abfcdcd30994bd6 100644
--- a/android_webview/test/BUILD.gn
+++ b/android_webview/test/BUILD.gn
@@ -20,6 +20,7 @@ android_apk("android_webview_apk") {
     ":android_webview_apk_assets",
     ":android_webview_apk_resources",
     "//android_webview:android_webview_java",
+    "//android_webview:locale_pak_assets",
     "//base:base_java",
     "//base:base_java_test_support",
     "//components/policy/android:policy_java_test_support",
@@ -51,8 +52,6 @@ android_apk("android_webview_apk") {
   _native_lib_file =
       rebase_path("$root_gen_dir/CHROME_VERSION.json", root_build_dir)
   native_lib_version_arg = "@FileArg($_native_lib_file:full-quoted)"
-
-  extensions_to_not_compress = ".dat,.bin,.pak,.lpak"
 }
 
 android_resources("android_webview_apk_resources") {