If user opens a settings activity by intent, it will show icon and
label get from activity. However, we should show settings app icon
and name constantly.
Bug: 34645742
Test: RunSettingsRoboTest
Change-Id: Ic2f0fef32529ba3f425a0130d25ead47fa0bb97d
Check for null fragment name before trying to launch the fragment.
Change-Id: Ibee6f7a1f27f7bc7d556a600c7e43fd30c2f1d6c
Fix: 35203478
Test: make RunSettingsRoboTests