[ECO-5165][CHA-RC1] Implement logging for Rooms

1. Added private property roomsLogger for DefaultRooms class
2. Added basic logging for Rooms#get method

chat-android/src/main/java/com/ably/chat/Rooms.kt

@@ -62,8 +62,9 @@ internal class DefaultRooms(
     private val chatApi: ChatApi,
     override val clientOptions: ClientOptions,
     private val clientId: String,
-    private val logger: Logger,
+    logger: Logger,
 ) : Rooms {
+    private val roomsLogger = logger.withContext(tag = "Rooms")
 
     /**
      * All operations for DefaultRooms should be executed under sequentialScope to avoid concurrency issues.
@@ -76,22 +77,28 @@ internal class DefaultRooms(
     private val roomReleaseDeferred: MutableMap<String, CompletableDeferred<Unit>> = mutableMapOf()
 
     override suspend fun get(roomId: String, options: RoomOptions): Room {
+        roomsLogger.trace("Rooms.get(); $roomId")
+
         return sequentialScope.async {
             val existingRoom = getReleasedOrExistingRoom(roomId)
             existingRoom?.let {
                 if (options != existingRoom.options) { // CHA-RC1f1
                     throw ablyException("room already exists with different options", ErrorCode.BadRequest)
                 }
+                roomsLogger.debug("Rooms.get(); returning existing room with roomId: ${existingRoom.roomId}")
                 return@async existingRoom // CHA-RC1f2
             }
             // CHA-RC1f3
             val newRoom = makeRoom(roomId, options)
             roomIdToRoom[roomId] = newRoom
+            roomsLogger.debug("Rooms.get(); returning new room with roomId: ${newRoom.roomId}")
             return@async newRoom
         }.await()
     }
 
     override suspend fun release(roomId: String) {
+        roomsLogger.trace("Rooms.release(); $roomId")
+
         sequentialScope.launch {
             // CHA-RC1g4 - Previous Room Get in progress, cancel all of them
             roomGetDeferred[roomId]?.let {
@@ -167,5 +174,5 @@ internal class DefaultRooms(
      * Spec: CHA-RC1f3
      */
     private fun makeRoom(roomId: String, options: RoomOptions): DefaultRoom =
-        DefaultRoom(roomId, options.copy(), realtimeClient, chatApi, clientId, logger)
+        DefaultRoom(roomId, options.copy(), realtimeClient, chatApi, clientId, roomsLogger)
 }