Fix setAdministratorUids tests on Q

setAdministratorUids does not exist on Q, so such tests must be skipped
on Q devices.

Bug: 147903575
Test: atest CtsNetTestCasesLatestSdk on Q and AOSP devices
Merged-In: I1b362660de9733bb9f0ede1ed5cf62279bf1c05e
Change-Id: I1b362660de9733bb9f0ede1ed5cf62279bf1c05e
1 file changed