Apply SUW theme to add/remove button in face settings

Update the button to "Set up Face Unlock" or "Delete face model" shown
on the Face Unlock Settings screen to match the primary button theme
used in Setup Wizard.

Test: Manual

Fixes: 190422391
Change-Id: Ib864cb53f366eec7d1a69c2808d7effc8a0aa05a

src/com/android/settings/biometrics/face/FaceSettingsRemoveButtonPreferenceController.java

@@ -39,6 +39,9 @@ import com.android.settings.overlay.FeatureFactory;
 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
 import com.android.settingslib.widget.LayoutPreference;
 
+import com.google.android.setupdesign.util.ButtonStyler;
+import com.google.android.setupdesign.util.PartnerStyleHelper;
+
 import java.util.List;
 
 /**
@@ -163,6 +166,11 @@ public class FaceSettingsRemoveButtonPreferenceController extends BasePreference
         mPreference = preference;
         mButton = ((LayoutPreference) preference)
                 .findViewById(R.id.security_settings_face_settings_remove_button);
+
+        if (PartnerStyleHelper.shouldApplyPartnerResource(mButton)) {
+            ButtonStyler.applyPartnerCustomizationPrimaryButtonStyle(mContext, mButton);
+        }
+
         mButton.setOnClickListener(this);
 
         if (!FaceSettings.isFaceHardwareDetected(mContext)) {