ContainerManagementProtocol changes to support change of container ExecutionType

JIRA to track the following changes:

• Changes in the ContainerManagementProtocol - add an updateContainer() method.
• Add the new Request and Response Objects and their corresponding PBImpl classes.
• Add deprecate attribute to increaseContainersResouce() method - since this functionality will be subsumed by updateContainer()
• Changes in NMClient to deprecate increaseContainer methods and route all calls through the new updateContainer API
• On the NM side, route increaseContainer calls to the new updateContainer method.