ota: Update the OTA upgrade verfication from kv base to AVB

[JianyuWang0623]

Summary

1. ota: The OTA diff upgrade does not need anti-downgrade
   • The OTA diff upgrade does not need anti-downgrade.
   • The OTA differential package is signed using private key, that means the package is legal, and the old and new version are with the plan.
2. ota: Remove the deprecated ota.version.next and ota.version.current (KV base)
3. ota: Update "version_check"(aka upgrade verifiation, anti-downgrade) to AVB (AVB base)
4. ota: Remove the uncessary exist check for partitions in /dev
5. ota: Remove the deprecated avb_verify -c upgrade verify (KV base)
6. ota: Remove the skip_version_check option

Impact

frameworks/system/ota

Testing

• Diff OTA

$ ./gen_ota_zip.py old_ota_imgs ota_imgs --debug --sign

$ cat ota.sh 
set +e
setprop ota.progress.current 30
setprop ota.progress.next 100
setprop ota.version.next `getprop ota.version.current`
if [ ! -e /ota/vela_ap.bin ]
then

    echo "generate vela_ap.bin"
    time "ddelta_apply /dev/ap /data/ota_tmp/ /ota/vela_ap.patch"
    if [ $? -ne 0 ]
    then
        echo "ddelta_apply vela_ap failed"
        setprop ota.progress.current -1
        exit
    fi

    setprop ota.progress.current 100

fi

• Full OTA with upgrade verification

$ cat ota.sh 
set +e
setprop ota.progress.current 30
setprop ota.progress.next 100

avb_verify -U /ota/vela_ap.bin /dev/ap /etc/key.avb
if [ $? -ne 0 ]
then
    echo "check vela_ap.bin version failed!"
    setprop ota.progress.current -1
    exit
fi

echo "install vela_ap.bin"
time " dd if=/ota/vela_ap.bin of=/dev/ap bs=32768 verify"
if [ $? -ne 0 ]
then
    echo "dd vela_ap.bin failed"
    reboot
fi
setprop ota.progress.current 100

[JianyuWang0623]

CI cherry-pick failed, tried, no idea.
@liujinye-sys Could you help analyze this problem?

CP_PR_RESULT: 
Auto-merging tools/gen_ota_zip.py
CONFLICT (content): Merge conflict in tools/gen_ota_zip.py
error: could not apply e78538a... ota: Remove the skip_version_check option
hint: After resolving the conflicts, mark them with
hint: git add/rm <pathspec>, then run
hint: git cherry-pick --continue.
hint: You can instead skip this commit with git cherry-pick --skip.
hint: To abort and get back to the state before git cherry-pick,
hint: run git cherry-pick --abort.
hint: Disable this message with git config advice.mergeConflict false
Recorded preimage for 'tools/gen_ota_zip.py'
CP_PR_CODE: 1

[liujinye-sys]

CI cherry-pick failed, tried, no idea. @liujinye-sys Could you help analyze this problem?

CP_PR_RESULT: 
Auto-merging tools/gen_ota_zip.py
CONFLICT (content): Merge conflict in tools/gen_ota_zip.py
error: could not apply e78538a... ota: Remove the skip_version_check option
hint: After resolving the conflicts, mark them with
hint: git add/rm <pathspec>, then run
hint: git cherry-pick --continue.
hint: You can instead skip this commit with git cherry-pick --skip.
hint: To abort and get back to the state before git cherry-pick,
hint: run git cherry-pick --abort.
hint: Disable this message with git config advice.mergeConflict false
Recorded preimage for 'tools/gen_ota_zip.py'
CP_PR_CODE: 1

This is a ci cherry pick bug that has been fixed