Use appId for looking up allowed on restricted networks uids list

aosp/1770606 change uid to appId when filling allowed on
restricted networks uids list. So add UserHandle.getAppId() to
ensure that uses appId for looking up the list.

Bug: 192116643
Test: atest FrameworksNetTests
Change-Id: I04fe3a77464d4cb02e7d53026f8f9a10bd0829e1
1 file changed