tree 51c0ac0676c65d49590f570038bb2e83ed9afe17
parent 5ffe8719df2cb88af1cab71accc41ebff322afec
author Devin Moore <devinmoore@google.com> 1625158005 -0700
committer Devin Moore <devinmoore@google.com> 1625159489 -0700

FirmwareBootHeaderVerification: get ro.boot.acpio_idx property

The test was getting androidboot.acpio_idx from /proc/cmdline directly.
That parameter will be set as ro.boot.acpio_idx during init at the same
time as ro.boot.slot_suffix.
So, get ro.boot.acpio_idx instead of looking in /proc/cmdline.
This works for newer devices because androidboot.acpio_idx will be in
/proc/bootconfig instead of /proc/cmdline.

Test: rebuilt cuttlefish with BOARD_BOOTCONFIG += androidboot.acpio_idx=1
Test: atest FirmwareBootHeaderVerification
Bug: 192564228
Change-Id: I26802de28bc26d1a5da7a9536a08351a5870a764