Amazon music on SA30, ref#74

[jvs1]

I found it, the workaround is described in the ticket. Here it is:

No Google Chromecast support anymore?, ref#8

Scenario Perform the following steps: switch on Arcam SA30, version 1.12 is used start Arcam Music Life iOS app, build 2.6.9 is used set audio output to Arcam SA30 Actual result Only UPNP is selectable Expected result UPNP and Google Cast should be selectable.