[Task]: Propagate context from windmill to windowedValue

[stankiewicz]

What needs to happen?

Propagate context from windmill to windowedValue

beam/runners/google-cloud-dataflow-java/worker/src/main/java/org/apache/beam/runners/dataflow/worker/UngroupedWindmillReader.java

Line 145 in 81bb506

decode(valueCoder, data),

Issue Priority

Priority: 2 (default / most normal work should be filed as P2)

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[stankiewicz]

.take_issue