This CL make all mobile related preferences support: 1. If subId is manually set, check visibility by subId 2. If not, try find whether there is one active subId meets requirement. If so, isAvailable() will return true to enable search. Bug: 77276236 Test: RunSettingsRoboTests Change-Id: I24e2d2f5e882284ba8e997b844caee7722b6b07d