Ask the user before wiping if crypto policy fails.

If crypto policy fails, instruct recovery to prompt the user before
wiping all data.

Test: adb shell rmdir /data/ota && adb shell mkdir -p /data/ota/forcefail && adb reboot
Bug: 28693324
Change-Id: I4d09b35a20c513a76c9ba56fe826114449a9ad68
1 file changed