A mocked PackageManager caused test failures in existing tests. Revert that for now to make tests pass again. Bug: 114231106 Bug: 130397860 Test: atest FrameworksNetTests Merged-In: Ib59e211d4329f885108de9ea0a74669ffb144e17 (cherry picked from commit 8574c9bf350ca60e2b21c759aa75bc3843ffde17) Change-Id: I603a0b0dfb67a942679a668c182aa650774c80b2