ChannelPartnerLinkState represents state of a channel partner
link.
Values:
CHANNEL_PARTNER_LINK_STATE_UNSPECIFIED (0):
Not used.
INVITED (1):
An invitation has been sent to the reseller
to create a channel partner link.
ACTIVE (2):
Status when the reseller is active.
REVOKED (3):
Status when the reseller has been revoked by
the distributor.
SUSPENDED (4):
Status when the reseller is suspended by
Google or distributor.