Update test expectations for 063-process-manager.

OpenJdk uses threads named "process reaper" to wait for processes
to complete, and uses timed waits to wait for them.

Change-Id: Ib5c6b56a49047027ef208377d0514eeb51e5c3b2
diff --git a/test/063-process-manager/src/Main.java b/test/063-process-manager/src/Main.java
index 68bf878..e9e522c 100644
--- a/test/063-process-manager/src/Main.java
+++ b/test/063-process-manager/src/Main.java
@@ -30,7 +30,7 @@
                  traces.entrySet()) {
             Thread t = entry.getKey();
             String name = t.getName();
-            if (name.equals("java.lang.ProcessManager")) {
+            if (name.indexOf("process reaper") >= 0) {
                 System.out.println("process manager: " + t.getState());
                 found = true;
             }