85cf78edc9
Reduce the duplication of some logic so when falling back to Cellular when WiFi fails to validate is enabled, there's less chance for bugs and failures: 1. De-duplicate several Network vs NetworkRequest matching functions 2. Remove the very tricky nascent logic by adding a simple "lingering" bit. Bug:20896761 Change-Id: I21da9e827eec9cfd6835fcaa650192b9186ed053