We had accidentally left out the y and l files from our generation
scripts, causing us to miss several instances of updated enum names.

BUG=angle:550
Change-Id: I8790742fbaab5435e4c0db4f61c3e8194a231550
Reviewed-on: https://chromium-review.googlesource.com/186972Reviewed-by: Nicolas Capens <nicolascapens@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>