CLOUDSTACK-7679: bump up the RabbitMQ AMQP java client version from
2.8.7 to 3.3.5

3.3.5 is the latest stable version of AMQP client, which is also
backward comaptible. Successfully tested with updated client library.

(cherry picked from commit ff797dfa5943c4e02acc87466c4638e97d2c2eb0)
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>