minidiag: Add storage self-test screen

Implement the ui for storage self-test.

BUG=b:173364332
TEST=make clean && CC=x86_64-pc-linux-gnu-clang make runtests
BRANCH=none

Cq-Depend: chromium:2641906
Signed-off-by: Chung-Sheng Wu <chungsheng@google.com>
Change-Id: Ieb3a24e0bf19f4e62de41cccd1138719dbc65e7c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/2626566
Tested-by: Chung-Sheng Wu <chungsheng@chromium.org>
Reviewed-by: Yu-Ping Wu <yupingso@chromium.org>
Reviewed-by: Hsuan Ting Chen <roccochen@chromium.org>
Reviewed-by: Meng-Huan Yu <menghuan@chromium.org>
Commit-Queue: Chung-Sheng Wu <chungsheng@chromium.org>
5 files changed