WifiServiceImpl: Use public system app flags

Bug: 142719497
Test: atest com.android.server.wifi
Change-Id: Ie84ddb9e46407a25b829bd4c44b16603cef96e36
1 file changed
tree: 803a9ac929dcb50d8b68ead2dfc052c33850327f
  1. service/
  2. PREUPLOAD.cfg