zenfone7: Import sm8250-common repo stuff

Several things about that:
 *Rog3 no longer supported because i don't have this device anymore.
 *I don't think someone will support it.
 *Asus Have droppped the unlocked bootloader support so ....

Enjoy of device's stuff ^_^

Change-Id: I91df9c78557fb4bd229d60ec4b693161614a23c5
Signed-off-by: micky387 <mickaelsaibi@free.fr>
diff --git a/system.prop b/system.prop
index 19ee096..fc90e71 100644
--- a/system.prop
+++ b/system.prop
@@ -156,6 +156,10 @@
 external_storage.cross_user.enabled=1
 
 ro.vendor.qti.va_aosp.support=1
+
+# Common Add-on
+sys.vendor.qti.servicetracker.disable=true
+
 ####################################
 # from variable PRODUCT_SYSTEM_DEFAULT_PROPERTIES
 ####################################