Revert "Terminate child process of CTS immediately"

Fixes: 67497282
Fixes: 67497493
Bug: 67456354

This reverts commit 6c7625c77f77a80bcef921a743cd425eaef8c553.

Change-Id: I798464c235e4300df11389c8409f566ea7423d79
diff --git a/tests/tests/security/jni/android_security_cts_SeccompTest.cpp b/tests/tests/security/jni/android_security_cts_SeccompTest.cpp
index 3e8b3a5..ee36cdd 100644
--- a/tests/tests/security/jni/android_security_cts_SeccompTest.cpp
+++ b/tests/tests/security/jni/android_security_cts_SeccompTest.cpp
@@ -19,7 +19,6 @@
 #define LOG_TAG "SeccompTest"
 
 #include <cutils/log.h>
-#include <stdlib.h>
 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -37,8 +36,8 @@
     int pid = fork();
     if (pid == 0) {
         ALOGI("Calling syscall %d", nr);
-        syscall(nr);
-        exit(0);
+        int ret = syscall(nr);
+        return false;
     } else {
         int status;
         int ret = waitpid(pid, &status, 0);