To reduce peak memory usage, Call RevisionInternal.Body.comact() to release document object

Author: Hideki Itakura

src/main/java/com/couchbase/lite/replicator/PullerInternal.java

@@ -620,12 +620,12 @@ public void onCompletion(HttpResponse httpResponse, Object result, Throwable e)
                     Map<String, Object> properties = (Map<String, Object>) result;
                     PulledRevision gotRev = new PulledRevision(properties);
                     gotRev.setSequence(rev.getSequence());
-
-                    //if(gotRev.getBody() != null)
-                    //    gotRev.getBody().compact();
-
+                    
                     Log.d(Log.TAG_SYNC, "%s: pullRemoteRevision add rev: %s to batcher: %s", PullerInternal.this, gotRev, downloadsToInsert);
 
+                    if(gotRev.getBody() != null)
+                        gotRev.getBody().compact();
+
                     // Add to batcher ... eventually it will be fed to -insertRevisions:.
                     downloadsToInsert.queueObject(gotRev);
                 }