This access is going away for apps. Move these tests to hostside tests to be executed by the shell domain. Test: atest cts/hostsidetests/net/src/com/android/cts/net/ProcNetTest.java Test: atest android.net.cts.ConnectivityManagerTest Test: atest android.net.cts.IpSecSysctlTest Test: atest android.net.cts.MultinetworkSysctlTest Bug: 116053204 Change-Id: Id7e867184dd344a2d877515956e76019d627788b