test_platform: Add build information to execute request

BUG=chromium:1035202
TEST=./generate.sh

Change-Id: I5891489f654907b3663ff35e0ea4b0e9191c8e9c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2025990
Tested-by: Prathmesh Prabhu <pprabhu@chromium.org>
Reviewed-by: Alex Zamorzaev <zamorzaev@chromium.org>
Commit-Queue: Prathmesh Prabhu <pprabhu@chromium.org>
Auto-Submit: Prathmesh Prabhu <pprabhu@chromium.org>
5 files changed