AggregationOptions fails on using index name.

[christophstrobl]

AggregationOptions#fromDocument fails to read index name but expects a Document.

Depends on: #3778

[christophstrobl]

Depends on: JAVA-4262

[chuckgregoryACES]

The two dependencies are met. Can this ticket be brought out of the graveyard?

[christophstrobl]

@chuckgregoryACES thanks for the heads up. This has been resolved via #4243.