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
- set display search menu to false
- disallow update to display the search menu

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

src/com/android/settings/SettingsActivity.java

@@ -626,7 +626,7 @@ public class SettingsActivity extends SettingsDrawerActivity
                 // No UP affordance if we are displaying the main Dashboard
                 mDisplayHomeAsUpEnabled = false;
                 // Show Search affordance
-                mDisplaySearch = true;
+                mDisplaySearch = Utils.isDeviceProvisioned(this);
                 mInitialTitleResId = R.string.dashboard_title;
 
                 // add argument to indicate which settings tab should be initially selected
@@ -708,7 +708,7 @@ public class SettingsActivity extends SettingsDrawerActivity
     }
 
     public void setDisplaySearchMenu(boolean displaySearch) {
-        if (displaySearch != mDisplaySearch) {
+        if (Utils.isDeviceProvisioned(this) && displaySearch != mDisplaySearch) {
             mDisplaySearch = displaySearch;
             invalidateOptionsMenu();
         }