: added bidi and htmlindex packages to gen.go

The htmlindex is a bit out of place, but this at least ensures that
it is periodically checked.

Change-Id: I53c5dafbdd8f8a6cfbd50bdd6d4f12d5a6bf9a83
Reviewed-on: https://go-review.googlesource.com/17803
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
1 file changed