FENNEL: Sink adapters can now exert back-pressure on upstream. Java           transform XO now returns EXECRC_QUANTUM_EXPIRED when adapter queue           is full.
FENNEL: Sink adapters can now exert back-pressure on upstream. Java
          transform XO now returns EXECRC_QUANTUM_EXPIRED when adapter queue
          is full.

[git-p4: depot-paths = "//open/dt/dev/": change = 14025]

LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb