Fixed build

Author: devgianlu

api/src/main/java/xyz/gianlu/librespot/api/handlers/EventsHandler.java

@@ -1,7 +1,7 @@
 package xyz.gianlu.librespot.api.handlers;
 
 import com.google.gson.JsonObject;
-import com.spotify.metadata.proto.Metadata;
+import com.spotify.metadata.Metadata;
 import io.undertow.websockets.WebSocketConnectionCallback;
 import io.undertow.websockets.WebSocketProtocolHandshakeHandler;
 import io.undertow.websockets.core.WebSocketChannel;

api/src/main/java/xyz/gianlu/librespot/api/handlers/PlayerHandler.java

@@ -1,7 +1,7 @@
 package xyz.gianlu.librespot.api.handlers;
 
 import com.google.gson.JsonObject;
-import com.spotify.metadata.proto.Metadata;
+import com.spotify.metadata.Metadata;
 import io.undertow.server.HttpServerExchange;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;