Make some existing slices public.

Only PreferenceControllers with isPublicSlice() set to true are exposed
to other apps. Others will be Settings only.

Bug: 141088937
Test: robotests
Change-Id: I5934e89bc1b268fdd44acd630621fa46987728ff

src/com/android/settings/nfc/NfcPreferenceController.java

@@ -23,7 +23,7 @@ import android.net.Uri;
 import android.nfc.NfcAdapter;
 import android.provider.Settings;
 import android.util.Log;
-import androidx.annotation.VisibleForTesting;
+
 import androidx.preference.PreferenceScreen;
 import androidx.preference.SwitchPreference;
 
@@ -90,7 +90,7 @@ public class NfcPreferenceController extends TogglePreferenceController
     }
 
     @Override
-    public boolean isSliceable() {
+    public boolean isPublicSlice() {
         return true;
     }
 

src/com/android/settings/nfc/SecureNfcPreferenceController.java

@@ -77,7 +77,7 @@ public class SecureNfcPreferenceController extends TogglePreferenceController
     }
 
     @Override
-    public boolean isSliceable() {
+    public boolean isPublicSlice() {
         return true;
     }