app: aboot: Do not rely on the tampered flag to authenticate kernel.
app: aboot: Do not rely on the tampered flag to authenticate kernel.

Modify the boot flow to not rely on tampered flag when authenticating
kernel.

CRs-Fixed: 501721

Change-Id: Iac9c94606172e8855292e713a53bf2fa0f14e79e

jsr-d10/android_bootable_bootloader_lk,efidroid/lk,detule/lk-g2-spr,M1cha/android_bootable_bootloader_lk,Foxda-Tech/polaris-bootable-bootloader-lk,mozilla-b2g/fairphone2_kernel_lk,idor/dk50-bootable_bootloader_lk,M1cha/lktris,lg-devs/g2-bootloader,M1cha/android_bootable_bootloader_lk,jsr-d10/android_bootable_bootloader_lk,Foxda-Tech/polaris-bootable-bootloader-lk,mozilla-b2g/fairphone2_kernel_lk,lg-devs/g2-bootloader,efidroid/lk,idor/dk50-bootable_bootloader_lk,efidroid/lk,M1cha/android_bootable_bootloader_lk,lg-devs/g2-bootloader,Redmi-dev/android_bootable_lk,idor/dk50-bootable_bootloader_lk,Foxda-Tech/argo8-bootable-bootloader-lk,Foxda-Tech/polaris-bootable-bootloader-lk,CanarySolutions/little-kernel,mozilla-b2g/kernel_lk,t2m-foxfone/android_kernel_lk,mozilla-b2g/kernel_lk,t2m-foxfone/android_kernel_lk,Redmi-dev/android_bootable_lk,CanarySolutions/little-kernel,mozilla-b2g/fairphone2_kernel_lk,jsr-d10/android_bootable_bootloader_lk,M1cha/lktris,jbott/lk_gee,idor/dk50-bootable_bootloader_lk,t2m-foxfone/kernel_lk,mozilla-b2g/fairphone2_kernel_lk,Foxda-Tech/argo8-bootable-bootloader-lk,Redmi-dev/android_bootable_lk,mozilla-b2g/fairphone2_kernel_lk,t2m-foxfone/kernel_lk,efidroid/lk,jbott/lk_gee,jbott/lk_gee,idor/dk50-bootable_bootloader_lk,detule/lk-g2-spr,CanarySolutions/little-kernel,M1cha/android_bootable_bootloader_lk,t2m-foxfone/android_kernel_lk,mozilla-b2g/kernel_lk,Foxda-Tech/polaris-bootable-bootloader-lk,M1cha/lktris,detule/lk-g2-spr,mozilla-b2g/kernel_lk,M1cha/android_bootable_bootloader_lk,detule/lk-g2-spr,efidroid/lk,CanarySolutions/little-kernel,jbott/lk_gee,jsr-d10/android_bootable_bootloader_lk,jbott/lk_gee,lg-devs/g2-bootloader,Foxda-Tech/argo8-bootable-bootloader-lk,Redmi-dev/android_bootable_lk,detule/lk-g2-spr,t2m-foxfone/android_kernel_lk,CanarySolutions/little-kernel,t2m-foxfone/android_kernel_lk,t2m-foxfone/kernel_lk,Foxda-Tech/argo8-bootable-bootloader-lk,M1cha/android_bootable_bootloader_lk,mozilla-b2g/kernel_lk,jsr-d10/android_bootable_bootloader_lk,Foxda-Tech/polaris-bootable-bootloader-lk,M1cha/lktris,Redmi-dev/android_bootable_lk,lg-devs/g2-bootloader,M1cha/lktris,t2m-foxfone/kernel_lk,Foxda-Tech/argo8-bootable-bootloader-lk,t2m-foxfone/kernel_lk