Fix FC when attempting to attach sound without SoundRecorder.apk

Gracefully displays a toast message informing you that SoundRecorder.apk is missing.  This fixes Bug #139: https://apple.slimroms.net/redmine/issues/139

Change-Id: I8efe4189cb8f273bafc735ce7df611fe2d8c789c
Try...

Change-Id: I8d93d386a238b051dad52811f21229de00b1ebc0