Description:1. Modify description releated with onNewWant.
Sig:SIG_ApplicationFramework
Feature or BugFix: Feature
Binary Source: No
Signed-off-by: Nzhangyafei-echo <zhangyafei12@huawei.com>
Change-Id: I63c0f29fce56a8dfd7c43c94f0ba0e16870ed249