DO NOT MERGE Disable changing lock when device is not provisioned.

When the device is not yet provisioned and settings is launched:
- disable the entry point for changing device lock
- remove the search panel from settings home page

Bug: 110034419
Test: make RunSettingsRoboTests
Change-Id: Ieb7eb0e8699229ec0824ccc19d7b958ac44965a2

src/com/android/settings/SetupChooseLockGeneric.java

@@ -147,6 +147,11 @@ public class SetupChooseLockGeneric extends ChooseLockGeneric {
             return layout.onCreateRecyclerView(inflater, parent, savedInstanceState);
         }
 
+        @Override
+        protected boolean canRunBeforeDeviceProvisioned() {
+            return true;
+        }
+
         /***
          * Disables preferences that are less secure than required quality and shows only secure
          * screen lock options here.