Reland: Actually use --extra-r-text-files in process_resources.py

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 265ddc066fd2b8f000fc3559885d42624a23dc59..97e67c62191af758cbb93cd44fed5e82c23fd1ea 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -204,6 +204,7 @@ group("both_gn_and_gyp") {
     deps += [
       "//base/android/linker:chromium_android_linker",
       "//build/android/gyp/test:hello_world",
+      "//build/android/tests/bad_resources:bad_resources_test_apk",
       "//build/android/rezip",
       "//chrome/android:chrome_shell_apk",
       "//chrome/test/chromedriver/test/webview_shell:chromedriver_webview_shell_apk",