[Java] Implement a function to load field buffers from external buffers for StringView

[vibhatha]

Describe the enhancement requested

At the moment in the StringView implementation, public void loadFieldBuffers(ArrowFieldNode fieldNode, List<ArrowBuf> ownBuffers) function is not supported. This function allows to load buffers to an existing view implementation via source buffers. This integration requires additional test cases in addition to the core implementation tests.

Dependencies

• [Java] Implement a strategy to return variable width buffer count for StringView in TypeLayout #40935

Component(s)

Java

[vibhatha]

Started working on this feature.

[vibhatha]

Closed by a unified task #41732