Put receipts in the recipient's queue.

app/src/main/java/org/thoughtcrime/securesms/jobs/SendDeliveryReceiptJob.java

@@ -43,6 +43,7 @@ public class SendDeliveryReceiptJob extends BaseJob {
                            .addConstraint(NetworkConstraint.KEY)
                            .setLifespan(TimeUnit.DAYS.toMillis(1))
                            .setMaxAttempts(Parameters.UNLIMITED)
+                           .setQueue(recipientId.toQueueKey())
                            .build(),
          recipientId,
          messageId,

app/src/main/java/org/thoughtcrime/securesms/jobs/SendReadReceiptJob.java

@@ -54,6 +54,7 @@ public class SendReadReceiptJob extends BaseJob {
                            .addConstraint(NetworkConstraint.KEY)
                            .setLifespan(TimeUnit.DAYS.toMillis(1))
                            .setMaxAttempts(Parameters.UNLIMITED)
+                           .setQueue(recipientId.toQueueKey())
                            .build(),
          threadId,
          recipientId,