### What changes were proposed in this pull request?
Support to register application info with user identifier and extra info.
### Why are the changes needed?
To provide more insight for the application information.
### Does this PR introduce _any_ user-facing change?
A new RESTful API.
### How was this patch tested?
UT.
Closes#3428 from turboFei/app_info_uid.
Lead-authored-by: Wang, Fei <fwang12@ebay.com>
Co-authored-by: Fei Wang <cn.feiwang@gmail.com>
Signed-off-by: Shuang <lvshuang.xjs@alibaba-inc.com>
d038dd2b32