Added tests for VbBootDeveloper sound and delay

BUG=none
TEST=manual

  cd src/platform/vboot_reference
  make && make runtests

Change-Id: I2c4084afa883f7e4cdc758ff1560eec900c75c17
Reviewed-on: http://gerrit.chromium.org/gerrit/8585
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Tested-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2 files changed