make debug notifications distinguishable from prod notifications

app/src/main/java/com/keylesspalace/tusky/util/NotificationHelper.java

@@ -24,6 +24,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.graphics.Color;
 import android.os.Build;
 import android.provider.Settings;
 import android.support.annotation.Nullable;
@@ -34,6 +35,7 @@ import android.support.v4.app.TaskStackBuilder;
 import android.support.v4.content.ContextCompat;
 import android.util.Log;
 
+import com.keylesspalace.tusky.BuildConfig;
 import com.keylesspalace.tusky.MainActivity;
 import com.keylesspalace.tusky.R;
 import com.keylesspalace.tusky.TuskyApplication;
@@ -260,7 +262,7 @@ public class NotificationHelper {
                 .setSmallIcon(R.drawable.ic_notify)
                 .setContentIntent(summary ? summaryResultPendingIntent : eventResultPendingIntent)
                 .setDeleteIntent(deletePendingIntent)
-                .setColor(ContextCompat.getColor(context, (R.color.primary)))
+                .setColor(BuildConfig.DEBUG ? Color.parseColor("#19A341") : ContextCompat.getColor(context, R.color.primary))
                 .setGroup(account.getAccountId())
                 .setAutoCancel(true)
                 .setDefaults(0); // So it doesn't ring twice, notify only in Target callback