Extract `RadioNotConnectedException` out of `RadioInterfaceService`

app/src/main/java/com/geeksville/mesh/service/RadioInterfaceService.kt

@@ -25,10 +25,6 @@ import kotlinx.coroutines.*
 import javax.inject.Inject
 
 
-open class RadioNotConnectedException(message: String = "Not connected to radio") :
-    BLEException(message)
-
-
 /**
  * Handles the bluetooth link with a mesh radio device.  Does not cache any device state,
  * just does bluetooth comms etc...

app/src/main/java/com/geeksville/mesh/service/RadioNotConnectedException.kt

@@ -0,0 +1,4 @@
+package com.geeksville.mesh.service
+
+open class RadioNotConnectedException(message: String = "Not connected to radio") :
+    BLEException(message)