Fix typo in RemappedRecords.

app/src/main/java/org/thoughtcrime/securesms/database/RemappedRecords.java

@@ -64,7 +64,7 @@ class RemappedRecords {
    */
   void addThread(@NonNull Context context, long oldId, long newId) {
     ensureInTransaction(context);
-    ensureRecipientMapIsPopulated(context);
+    ensureThreadMapIsPopulated(context);
     threadMap.put(oldId, newId);
     DatabaseFactory.getRemappedRecordsDatabase(context).addThreadMapping(oldId, newId);
   }