Bulk Operation

YARN-5085 NM Statestore cleanup for Container updates

YARN-5085 Add documentation for Container Update API

YARN-5085 Container update RM-NM communication fix for backward compatibility

YARN-5085 Add flag to notify all types of container updates to NM via NodeHeartbeatResponse

YARN-5085 Add updateContainer API to NMClient.

YARN-5085 NMContainerStatus should have the Container ExecutionType.

YARN-5085 SchedulerRequestKey compareTo method neglects to compare containerToUpdate

YARN-5085 Clean unused SchedulerRequestKeys once ExecutionType updates are completed

YARN-5085 ContainerScheduler and ContainerManager changes to support ExecType update

YARN-5085 ContainerManagementProtocol changes to support change of container ExecutionType

YARN-5085 AMRMClient changes to support ExecutionType update

YARN-5085 RM changes to support change of container ExecutionType

YARN-5085 Refactoring OpportunisticContainerAllocator to use SchedulerRequestKey instead of Priority and other misc fixes

YARN-5085 Expose UpdateResourceRequest API to allow AM to request for change in container properties

YARN-5085 Expose API to allow AM to request for change of container ExecutionType