Add error logging when removing empty voice commands and voice command strings (#1799)

* Add error logging when removing empty commands

* Switch from logging error to logging warnings

* Update warning messages based on PR suggestions

Author: noah-livio

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

@@ -217,21 +217,27 @@ List<VoiceCommand> removeEmptyVoiceCommands(List<VoiceCommand> voiceCommands) {
         List<VoiceCommand> validatedVoiceCommands = new ArrayList<>();
         for (VoiceCommand voiceCommand : voiceCommands) {
             if (voiceCommand == null) {
+                DebugTool.logWarning(TAG, "Voice command is null, it will not be uploaded");
                 continue;
             }
             List<String> voiceCommandStrings = new ArrayList<>();
             for (String voiceCommandString : voiceCommand.getVoiceCommands()) {
                 if (voiceCommandString == null) {
+                    DebugTool.logWarning(TAG, "Removing null string from voice command");
                     continue;
                 }
                 String trimmedString = voiceCommandString.trim();
                 if (trimmedString.length() > 0) {
                     voiceCommandStrings.add(trimmedString);
+                } else {
+                    DebugTool.logWarning(TAG, "Empty string removed from voice command");
                 }
             }
             if (voiceCommandStrings.size() > 0) {
                 voiceCommand.setVoiceCommands(voiceCommandStrings);
                 validatedVoiceCommands.add(voiceCommand);
+            } else {
+                DebugTool.logWarning(TAG, "Voice command will not be uploaded as it contained no valid strings");
             }
         }
         return validatedVoiceCommands;