[SPARK-17085][STREAMING][DOCUMENTATION AND ACTUAL CODE DIFFERS - UNSUPPORTED OPERATIONS]
[SPARK-17085][STREAMING][DOCUMENTATION AND ACTUAL CODE DIFFERS - UNSUPPORTED OPERATIONS]

Changes in  Spark Stuctured Streaming doc in this link
https://spark.apache.org/docs/2.0.0/structured-streaming-programming-guide.html#unsupported-operations

Author: Jagadeesan <as2@us.ibm.com>

Closes #14715 from jagadeesanas2/SPARK-17085.

(cherry picked from commit bd9655063bdba8836b4ec96ed115e5653e246b65)
Signed-off-by: Sean Owen <291c18f3fb7528c712d9098b0e50a515ea0b91d5@cloudera.com>

gioenn/xSpark,gioenn/xSpark,gioenn/xSpark,gioenn/xSpark,gioenn/xSpark,gioenn/xSpark,gioenn/xSpark