2f81c06361
This adds the allow null algorithms toogle to the Settings UI. If supported by the smartphone baseband, the toggle allows users to opt out of null algorithms, unencrypted cellular communication, for all cellular generations. This toggle is behind a feature flag that is off by default. It also requires radio network HAL 2.1 or later to show. Co-authored-by: Gil Cukierman <cukie@google.com> Bug: b/237529943 Test: atest NullAlgorithmsPreferenceControllerTest Test: adb shell device_config put cellular_security enable_null_cipher_toggle true; // On cuttlefish, you can now see the toggle in SIM settings. Change-Id: Ia03cceee5463171ca455fa0624b911e06f222d2d