update assignment syntax

Author: littleaj

core/src/main/java/com/microsoft/applicationinsights/internal/heartbeat/HeartbeatDefaultPayload.java

@@ -68,7 +68,7 @@ public Boolean call() throws Exception {
             continue;
           }
 
-          populatedFields |= payloadProvider.setDefaultPayload(disabledFields, provider).call();
+          populatedFields = populatedFields || payloadProvider.setDefaultPayload(disabledFields, provider).call();
         }
         return populatedFields;
       }