Merge pull request #1295 from smartdevicelink/bugfix/issue_1293

Fix an issue in setVoiceCommands()

Author: JulianKast

base/src/main/java/com/smartdevicelink/managers/screen/menu/BaseVoiceCommandManager.java

@@ -56,8 +56,7 @@
 
 abstract class BaseVoiceCommandManager extends BaseSubManager {
 
-	List<VoiceCommand> voiceCommands;
-	List<VoiceCommand> oldVoiceCommands;
+	List<VoiceCommand> voiceCommands, oldVoiceCommands;
 
 	List<AddCommand> inProgressUpdate;
 
@@ -127,7 +126,10 @@ public void setVoiceCommands(List<VoiceCommand> voiceCommands){
 		waitingOnHMIUpdate = false;
 		lastVoiceCommandId = voiceCommandIdMin;
 		updateIdsOnVoiceCommands(voiceCommands);
-		oldVoiceCommands = new ArrayList<>(voiceCommands);
+		this.oldVoiceCommands = new ArrayList<>();
+		if (this.voiceCommands != null && !this.voiceCommands.isEmpty()) {
+			this.oldVoiceCommands.addAll(this.voiceCommands);
+		}
 		this.voiceCommands = new ArrayList<>(voiceCommands);
 
 		update();