generate.sh: run artifacts update in chromite too

It seems to be a common occurrence that when protobuf sources are
modified in this tree, the artifacts update in the chromite tree goes
not happen.

While this seems a poor design and should be fixed by having all
artifacts generated in one place, this patch is trying to make
improvement by reducing the likelihood of the chromite tree updates
not happening.

If the chromite tree is found, run the generation script there as
well, and alert the user to the need to upload chromite tree changes.

BUG=none
TEST=running ./generate.sh triggers an update in the chromite tree.

Change-Id: I0479226101f8333535dd9ecb401042754b36911c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2538134
Reviewed-by: Michael Mortensen <mmortensen@google.com>
Reviewed-by: George Engelbrecht <engeg@google.com>
Commit-Queue: Vadim Bendebury <vbendeb@chromium.org>
1 file changed