Respect privacy settings on ticker content for Android <5

Fixes #5517
Closes #5592

// FREEBIE

res/values/strings.xml

@@ -6,6 +6,9 @@
     <string name="delete">Delete</string>
     <string name="please_wait">Please wait...</string>
 
+    <!-- AbstractNotificationBuilder -->
+    <string name="AbstractNotificationBuilder_new_message">New message</string>
+
     <!-- ApplicationPreferencesActivity -->
     <string name="ApplicationPreferencesActivity_currently_s">Currently: %s</string>
     <string name="ApplicationPreferenceActivity_you_havent_set_a_passphrase_yet">You haven\'t set a passphrase yet!</string>

src/org/thoughtcrime/securesms/notifications/AbstractNotificationBuilder.java

@@ -10,6 +10,7 @@ import android.support.v4.app.NotificationCompat;
 import android.text.SpannableStringBuilder;
 import android.text.TextUtils;
 
+import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.database.RecipientPreferenceDatabase;
 import org.thoughtcrime.securesms.preferences.NotificationPrivacyPreference;
 import org.thoughtcrime.securesms.recipients.Recipient;
@@ -61,6 +62,16 @@ public abstract class AbstractNotificationBuilder extends NotificationCompat.Bui
     }
   }
 
+  public void setTicker(@NonNull Recipient recipient, @Nullable CharSequence message) {
+    if (privacy.isDisplayMessage()) {
+      setTicker(getStyledMessage(recipient, message));
+    } else if (privacy.isDisplayContact()) {
+      setTicker(getStyledMessage(recipient, context.getString(R.string.AbstractNotificationBuilder_new_message)));
+    } else {
+      setTicker(context.getString(R.string.AbstractNotificationBuilder_new_message));
+    }
+  }
+
   private String[] parseBlinkPattern(String blinkPattern, String blinkPatternCustom) {
     if (blinkPattern.equals("custom"))
       blinkPattern = blinkPatternCustom;

src/org/thoughtcrime/securesms/notifications/MessageNotifier.java

@@ -278,7 +278,8 @@ public class MessageNotifier {
 
     if (signal) {
       builder.setAlarms(notificationState.getRingtone(), notificationState.getVibrate());
-      builder.setTicker(notifications.get(0).getText());
+      builder.setTicker(notifications.get(0).getIndividualRecipient(),
+                        notifications.get(0).getText());
     }
 
     ((NotificationManager)context.getSystemService(Context.NOTIFICATION_SERVICE))

src/org/thoughtcrime/securesms/notifications/SingleRecipientNotificationBuilder.java

@@ -150,16 +150,6 @@ public class SingleRecipientNotificationBuilder extends AbstractNotificationBuil
     }
   }
 
-  public void setTicker(@NonNull Recipient recipient, @Nullable CharSequence message) {
-    if (privacy.isDisplayMessage()) {
-      setTicker(getStyledMessage(recipient, message));
-    } else if (privacy.isDisplayContact()) {
-      setTicker(getStyledMessage(recipient, context.getString(R.string.SingleRecipientNotificationBuilder_new_message)));
-    } else {
-      setTicker(context.getString(R.string.SingleRecipientNotificationBuilder_new_message));
-    }
-  }
-
   @Override
   public Notification build() {
     if (privacy.isDisplayMessage()) {