tonihei f9eec0c0e8 Add Util helper methods to work with Futures
This adds two methods that are helpful when working with Futures.
One is a version of postOrRun that can indicate completion by a
Future and the other is a simplified version of Guava's
Futures.transformAsync (which can't be used as it's in Beta).

PiperOrigin-RevId: 461896598
2022-07-21 12:51:22 +00:00
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