Embedding Projector: show vector labels on custom projection view

[teamdandelion]

Migrated from tensorflow/tensorflow#6327

A feature request for the Embedding Projector: show vector labels as plot axis labels on custom projection view

minimal example, mocked up on a screenshot:

[dsmilkov]

Hi @micahstubbs,

Thanks for the suggestion! We are happy to accept a contribution and I'd be happy to walk you through the code and review your change.

For now I will close this issue. Feel free to reopen with a PR contribution.