initializing tree with aospdtgen just fr skeleton

rootdir/bin/init.mmi.backup.trustlet.sh

@@ -0,0 +1,52 @@
+#!/vendor/bin/sh
+
+PATH=/sbin:/vendor/sbin:/vendor/bin:/vendor/xbin
+export PATH
+
+scriptname=${0##*/}
+
+notice()
+{
+	echo "$*"
+	echo "$scriptname: $*" > /dev/kmsg
+}
+
+# Check if we are in the first bootup sequence.
+hardware_state=$(getprop ro.boot.secure_hardware)
+build_tags=$(getprop ro.build.tags)
+vendor_build_type=$(getprop ro.vendor.build.type)
+backup_state_prop=$(getprop persist.vendor.tl.already_backup)
+
+if [[ "$hardware_state" == "0" ]]; then
+	notice "Do not need trustlet backup, skip!"
+	exit 0
+fi
+
+# Exclude secure hw with user/userdebug testkey sw
+if [[ "$hardware_state" == "1" && "$build_tags" == *"test-keys"* ]]; then
+	notice "Do not need trustlet backup, skip!"
+	exit 0
+fi
+
+# Exclude secure hw with factory userdebug releasekey sw
+if [[ "$hardware_state" == "1" && "$vendor_build_type" == "userdebug" ]]; then
+	notice "Do not need trustlet backup, skip!"
+	exit 0
+fi
+
+if [[ "$backup_state_prop" == "true" ]]; then
+	notice  "Trustlet already backed up, skip!"
+	exit 0
+fi
+
+# For Trustonic tl and drv backup.
+if [ -d /vendor/app/mcRegistry/ ]; then
+	notice "Detecting trustonic path, syncing up.."
+	cp -af /vendor/app/mcRegistry/* /mnt/vendor/tzapp/
+fi
+
+# TODO: Add more TEE vendor support if required.
+
+setprop persist.vendor.tl.already_backup true
+
+notice  "Trustlet backup success!"