Adding disconnect logic to cast custom receiver
Adding disconnect logic to cast custom receiver

Change-Id: I2608fd3b942ba6dcfcd224d995d60e4604dc7d6b

willm/cast-custom-receiver,willm/cast-custom-receiver,codeprogression/cast-custom-receiver,KuJyoti/chrome_sample_receiver,KuJyoti/chrome_sample_receiver,almartin82/cast-custom-receiver,gagangagan/cast-custom-receiver,pengying/cast-custom-receiver,codeprogression/cast-custom-receiver,gagangagan/cast-custom-receiver,KuJyoti/sample_receiver,KuJyoti/sample_receiver,almartin82/cast-custom-receiver