changes to enable OSDU notification feature on AWS

provider/notification-aws/pom.xml

...otification/provider/aws/model/FailedNotificationDoc.java

...u/notification/provider/aws/model/NotificationResult.java

...u/notification/provider/aws/model/RetryProcessResult.java

...osdu/notification/provider/aws/model/SubscriptionDoc.java

...fication/provider/aws/queue/NotificationQueueService.java

...ion/provider/aws/queue/NotificationRetryQueueService.java

...ation/provider/aws/queue/NotificationRetrySQSHandler.java

...tification/provider/aws/queue/NotificationSQSHandler.java

...provider/aws/queue/impl/NotificationQueueServiceImpl.java

...der/aws/queue/impl/NotificationRetryQueueServiceImpl.java

...ation/provider/aws/repository/SubscriptionRepository.java

...up/osdu/notification/provider/aws/security/KmsConfig.java

...up/osdu/notification/provider/aws/security/KmsHelper.java

...ication/provider/aws/security/ThreadSignatureService.java

...fication/provider/aws/service/AwsNotificationHandler.java

...ngroup/osdu/notification/provider/aws/utils/SQSUtils.java

...otification-aws/src/main/resources/application.properties

...n/provider/aws/queue/NotificationRetrySQSHandlerTest.java

...cation/provider/aws/queue/NotificationSQSHandlerTest.java