Bugfix: PreloadSupplier drops language tags when building index.

TBR=rouslan@chromium.org
BUG=

Review URL: https://codereview.appspot.com/101350044
2 files changed
tree: 3add17959f381afb4cae5330c41093b49c3f7e64
  1. cpp/
  2. externals/
  3. java/
  4. testdata/
  5. .gitmodules
  6. codereview.settings