Adding int ID for Transactional ID Resource Type

[JohnPreston]

Works to build with https://github.com/confluentinc/librdkafka/pull/4803 As librdkafka in this case is installed in /usr/local/lib the build and install is done using

C_INCLUDE_PATH=/usr/local/lib LIBRARY_PATH=/usr/local/lib LD_LIBRARY_PATH=/usr/local/lib python setup.py build
C_INCLUDE_PATH=/usr/local/lib LIBRARY_PATH=/usr/local/lib LD_LIBRARY_PATH=/usr/local/lib python setup.py install

Tested with 2 different python projects using the locally compiled libs, and it works for both listing the ACLs and setting them.

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[pranavrth]

Created internal PR for the same - https://github.com/confluentinc/confluent-kafka-python/pull/1834