Remove reference of @ValidationStatus annotation

This is hidden and no longer accessible after ConnectivityService
becomes mainline module.

Test: TH
Bug: 182963397
Merged-In: Iaba678ed3af92f87cfeccaacf1cc5723c8e5dcae
Change-Id: Iaba678ed3af92f87cfeccaacf1cc5723c8e5dcae
  (cherry-picked from ag/13925161)
1 file changed