Represents the different states of a ClientConnectorService.
Values:
STATE_UNSPECIFIED (0):
Default value. This value is unused.
CREATING (1):
ClientConnectorService is being created.
UPDATING (2):
ClientConnectorService is being updated.
DELETING (3):
ClientConnectorService is being deleted.
RUNNING (4):
ClientConnectorService is running.
DOWN (5):
ClientConnectorService is down and may be
restored in the future. This happens when CCFE
sends ProjectState = OFF.
ERROR (6):
ClientConnectorService encountered an error
and is in an indeterministic state.