Agree with Ash. After doing the gcp move and seeing the result we agreed that 'provider' is better as additional prefix.
If no-one objects (Lazy Consensus <https://community.apache.org/committers/lazyConsensus.html>) till Monday 3.20 CEST, we will update AIP-21 and move the gcp operators to *provider/google/[gcp,gsuite]*. J.
