IssueNo:#I4ZPC8:【OpenHarmony 3.1.5.5】【元能力】【RK3568】【必现】ServiceExtensionAbility开发指导资料问题
Description:修改serviceextension
Sig: SIG_ApplicationFramework
Feature or Bugfix: Feature
Binary Source: No

Signed-off-by: wuliubao ahjxliubao@163.com