kernel: refine syscall_hook_manager

- Don't unmark process when setuid if syscall tracepoint is in use
- Remark process when app profile updated
- Ensure zygote is marked on first boot

kernel/ksud.c

@@ -138,7 +138,6 @@ void on_boot_completed(void){
     pr_info("on_boot_completed!\n");
     // remark process, we don't want to mark other init
     // forked process excepte zygote and adbd
-    ksu_unmark_all_process();
     ksu_mark_running_process();
 }