Sometimes Settings Search show the items that are not supported by
the hardware. e.g. FaceLock.
Add log to check the HW status when the problem occurred.
Bug: 156667203
Test: watch the log output.
Change-Id: Ie6a89f338aac6f7bdefc69fc84cfa5bf848ed015
The check logic of this preference requires a page loading prior to
slice auto convertion, so it is not suitable to become a slice.
Converting it to a slice will lead to an app crash.
Fixes: 145723632
Test: robotests
Change-Id: Ie6eafb244e9a1cc9267f6b747c8e357d239e688e
Settings page should not show if device credential is not confirmed
Bug: 111548037
Fixes: 116531896
Test: adb shell settings get secure face_unlock_app_enabled
Test: make -j56 RunSettingsRoboTests
Change-Id: I651ee88e9ee4017ee3dc52fa8a5d05cb8f092e1d