Feature - Userdata Checkpoint
We will format the metadata partition(md_udc) in first boot-up,
because it is a RAW data part, so giving the permission grant
to e2fs.
MTK-Commit-Id: de837a8e097cad8067f5d653370545b51f8d457e
Change-Id: Iaebc665979ab36422b6df846a2f05450c222d1f5
CR-Id: ALPS04304578
Feature: [Android Default] F2FS File System
[Detail]
Because Android P impose so many restrictions, it is difficult for
meta mode or factory mode to format partitions. A new design is
adopted as follows:
1. Meta mode or factory mode write all 0 to first 4KB of target
partition.
2. When entering kernel booting, the partition mount process in the
original init flow find that XXX partition is wiped and automatically
format XXX partition.
In step-1 described above, selinux rules shall be added for meta_tst or
factory.
In step-2 described above, selinux rules shall be added for mke2fs.
MTK-Commit-Id: 7e9bbd418ca6353ba89ecffdc016c78504583bf3
Change-Id: I3dd869c57107b0ebebf3134f69c50744df8f8ff9
CR-Id: ALPS03957630
Feature: SP META Tool