vboot/ui: Fix to_dev action initialization error

Add an entry storing previous status of physical presence button
to vb2_ui_context and reset it when recovery_to_dev_init is called.

BUG=b:146399181,b:157390248
TEST=make clean && make runtests
BRANCH=none

Signed-off-by: Hsuan Ting Chen <roccochen@chromium.org>
Change-Id: Ia0294a189713f1f99db7309937ea80ff90849bd8
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/2214457
Reviewed-by: Yu-Ping Wu <yupingso@chromium.org>
Commit-Queue: Yu-Ping Wu <yupingso@chromium.org>
2 files changed