Add X-Ray valiator retry time (#317)

*Description of changes:*
Add X-Ray valiator retry time from 10 -> 30


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under the terms of the Apache 2.0 license.

Author: mxiamxia

validator/src/main/java/com/amazon/aoc/validators/ValidatorFactory.java

@@ -42,7 +42,7 @@ public IValidator launchValidator(ValidationConfig validationConfig) throws Exce
     FileConfig expectedData = null;
     switch (validationConfig.getValidationType()) {
       case "trace":
-        validator = new TraceValidator(new XRayService(context.getRegion()), 2, 10);
+        validator = new TraceValidator(new XRayService(context.getRegion()), 2, 30);
         expectedData = validationConfig.getExpectedTraceTemplate();
         break;
       case "cw-metric":