Make blocking take into account multi device

src/org/thoughtcrime/securesms/recipients/Recipient.java

@@ -52,6 +52,7 @@ import org.thoughtcrime.securesms.util.ListenableFutureTask;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.util.Util;
 import org.whispersystems.libsignal.util.guava.Optional;
+import org.whispersystems.signalservice.loki.protocol.multidevice.MultiDeviceProtocol;
 
 import java.util.Collections;
 import java.util.HashSet;
@@ -554,8 +555,13 @@ public class Recipient implements RecipientModifiedListener {
   }
 
   public synchronized boolean isBlocked() {
+    String masterPublicKey = MultiDeviceProtocol.shared.getMasterDevice(this.address.serialize());
+    if (masterPublicKey != null) {
+      return Recipient.from(context, Address.fromSerialized(masterPublicKey), false).blocked;
+    } else {
       return blocked;
     }
+  }
 
   public void setBlocked(boolean blocked) {
     synchronized (this) {