Change MceStateMachine Message filter naming convention

Currently messageType, indicates the types of messages that are
excluded/filtered out from RequestGetMessagesListing. Related names have
ben changed to reflect implementation and specify that the rquested
message filters are for message types that will be excluded from the
requests.

Tag: #cleanup
Bug: 355241174
Test: atest MapClientStateMachineTest
      atest MessagesFilterTest
Flag: EXEMPT, no change in existing behavior
Change-Id: I328a4a9c98c57b0dcd24f44becddd7b48c3f19c2