Extend trace search time window from 60s to 600s (#318)

*Issue description:*
Extend trace search time window from 60s to 600s


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under the terms of the Apache 2.0 license.

Author: mxiamxia

validator/src/main/java/com/amazon/aoc/services/XRayService.java

@@ -29,7 +29,7 @@
 
 public class XRayService {
   private AWSXRay awsxRay;
-  private final int SEARCH_PERIOD = 60;
+  private final int SEARCH_PERIOD = 600;
   public static String DEFAULT_TRACE_ID = "1-00000000-000000000000000000000000";
 
   public XRayService(String region) {