5c46d93bd8
In rare cases the SignalStrength we get for a SIM can be null, which wasn't checked for in this code. This CL adds a null check and fixes the tests so it's possible to verify the fix (one of the methods that would have crashed was being spy'd over unnecessarily). Fixes: 132570076 Test: make RunSettingsRobotests Change-Id: Ifdec24f184ee2d93e5e242eb2c20695249992fc6