Fix the hardcoded path.

Change-Id: I13f47555966e9d48703f14e3e9a80e2d9af80c2b
diff --git a/test/063-process-manager/src/Main.java b/test/063-process-manager/src/Main.java
index c94b8ad..68bf878 100644
--- a/test/063-process-manager/src/Main.java
+++ b/test/063-process-manager/src/Main.java
@@ -14,7 +14,7 @@
 
     static private void child() throws Exception {
         System.out.println("spawning child");
-        ProcessBuilder pb = new ProcessBuilder("/system/bin/sleep", "5");
+        ProcessBuilder pb = new ProcessBuilder("sleep", "5");
         Process proc = pb.start();
         Thread.sleep(1000);
         checkManager();