build_api_test.proto: Add new fields to request.

Add enum, repeated enum, int, and repeated int fields for additional
test cases.

BUG=None
TEST=./generate.sh

Change-Id: I9fba31b5d4bbb36723031b226440747a41923711
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2595390
Auto-Submit: Alex Klein <saklein@chromium.org>
Reviewed-by: Michael Mortensen <mmortensen@google.com>
Commit-Queue: Michael Mortensen <mmortensen@google.com>
2 files changed