Reland: Copy persist partition files to /data on boot

Since /persisit was previously mounted during eraly-init stage,
this CL delays the /persist mount to post-fs-data stage.
Actions which depends on the /persist partition are also moved.

Bug: 319335586
Change-Id: I6bcc775f16331905c6896f3a2ec5bbea9e20744f

conf/fstab.efs.from_data

@@ -6,3 +6,5 @@
 /data/vendor/copied/efs_backup      /mnt/vendor/efs_backup      none    bind 	latemount
 
 /data/vendor/copied/modem_userdata  /mnt/vendor/modem_userdata  none    bind 	latemount
+
+/data/vendor/copied/persist  /mnt/vendor/persist none      bind 	latemount

conf/init.efs.16k.rc

@@ -11,13 +11,16 @@ on post-fs-data && property:ro.boot.flash.locked=0
     restorecon_recursive /data/vendor/copied
     restorecon_recursive /mnt/vendor
     mount_all /vendor/etc/fstab.efs
+    mount_all /vendor/etc/fstab.persist
     exec_start copy_efs_files_to_data
     umount_all /vendor/etc/fstab.efs
+    umount_all /vendor/etc/fstab.persist
     mount_all /vendor/etc/fstab.efs.from_data
-    mount_all /vendor/etc/fstab.persist
     restorecon_recursive /mnt/vendor/efs
     restorecon_recursive /mnt/vendor/efs_backup
     restorecon_recursive /mnt/vendor/modem_userdata
+    restorecon_recursive /mnt/vendor/persist
+    restorecon_recursive /data/vendor/ss
     setprop ro.vendor.persist.status mounted
 
 on post-fs-data && property:ro.boot.flash.locked=1

copy_efs_files_to_data.sh

@@ -38,3 +38,5 @@ copy_files_to_data "/dev/block/by-name/efs" "/mnt/vendor/efs"
 copy_files_to_data "/dev/block/by-name/efs_backup" "/mnt/vendor/efs_backup"
 copy_files_to_data "/dev/block/by-name/modem_userdata" "/mnt/vendor/modem_userdata"
 
+chmod g+rx -R /mnt/vendor/persist
+copy_files_to_data "/dev/block/by-name/persist" "/mnt/vendor/persist"