Update zygisk sepolicy for A17 QPR1 Beta 4

Mainline kernel starts to use dedicated memfd_file type for memfd,
which makes zygote cannot open memfd created by magiskd.

native/src/sepolicy/rules.rs

@@ -127,6 +127,7 @@ impl SePolicy {
 
             // Zygisk rules
             allow(["zygote"], ["zygote"], ["process"], ["execmem"]);
+            allow(["domain"], [proc], ["memfd_file"], ["getattr", "read", "write", "map", "execute"]);
             allow(["zygote"], ["fs_type"], ["filesystem"], ["unmount"]);
             allow(["system_server"], ["system_server"], ["process"], ["execmem"]);