Added color to indicate failure to message

app/src/main/java/org/torproject/snowflake/fragments/MainFragment.java

@@ -3,6 +3,7 @@ package org.torproject.snowflake.fragments;
 import android.animation.ArgbEvaluator;
 import android.animation.ValueAnimator;
 import android.content.Context;
+import android.graphics.Color;
 import android.graphics.PorterDuff;
 import android.os.Bundle;
 import android.util.Log;
@@ -155,5 +156,6 @@ public class MainFragment extends Fragment {
         startButton.setChecked(false);
         setSnowflakeStatus(false);
         noteTV.setText(message);
+        noteTV.setTextColor(Color.RED);
     }
 }
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