Force the app idle state again after whitelisting it. Whitelisting the app resets forced idle state of an app, so forcing idle state again. Bug: 161477606 Test: atest ./hostsidetests/net/src/com/android/cts/net/HostsideRestrictBackgroundNetworkTests.java Change-Id: Ib57202a68071cc02d6071e0dc2c4780f026ad90b