Launch multiple biometric enrollment when no biometric is enrolled

When a user clicks the biometric item in the Device unlock page and no
biometric is enrolled:
- Fingerint clicked: Launch fingerprint enroll then face enroll.
- Face clicked: Launch face enroll then fingerprint enroll.

Bug: 370940762
Test: atest FaceSafetySourceTest FingerprintSafetySourceTest
Flag: com.android.settings.flags.biometrics_onboarding_education
Change-Id: I874b96a75ec0c126ae1674bb6ab220a0a8533fcd

src/com/android/settings/safetycenter/FaceSafetySource.java

@@ -16,6 +16,7 @@
 
 package com.android.settings.safetycenter;
 
+import static com.android.settings.biometrics.BiometricEnrollActivity.EXTRA_LAUNCH_FACE_ENROLL_FIRST;
 import static com.android.settings.safetycenter.BiometricSourcesUtils.REQUEST_CODE_FACE_SETTING;
 
 import android.content.Context;
@@ -27,6 +28,7 @@ import android.os.UserManager;
 import android.safetycenter.SafetyEvent;
 
 import com.android.settings.Utils;
+import com.android.settings.biometrics.BiometricEnrollActivity;
 import com.android.settings.biometrics.BiometricNavigationUtils;
 import com.android.settings.biometrics.face.FaceStatusUtils;
 import com.android.settings.flags.Flags;
@@ -73,6 +75,16 @@ public final class FaceSafetySource {
         Context profileParentContext = context.createContextAsUser(profileParentUserHandle, 0);
 
         if (Utils.hasFaceHardware(context)) {
+            boolean isMultipleBiometricsEnrollmentNeeded =
+                    BiometricSourcesUtils.isMultipleBiometricsEnrollmentNeeded(context, userId);
+            String settingClassName = isMultipleBiometricsEnrollmentNeeded
+                    ? BiometricEnrollActivity.class.getName()
+                    : faceStatusUtils.getSettingsClassName();
+            Bundle bundle = new Bundle();
+            if (isMultipleBiometricsEnrollmentNeeded) {
+                // Launch face enrollment first then fingerprint enrollment.
+                bundle.putBoolean(EXTRA_LAUNCH_FACE_ENROLL_FIRST, true);
+            }
             RestrictedLockUtils.EnforcedAdmin disablingAdmin = faceStatusUtils.getDisablingAdmin();
             BiometricSourcesUtils.setBiometricSafetySourceData(
                     SAFETY_SOURCE_ID,
@@ -84,9 +96,9 @@ public final class FaceSafetySource {
                             biometricNavigationUtils
                                     .getBiometricSettingsIntent(
                                             context,
-                                            faceStatusUtils.getSettingsClassName(),
+                                            settingClassName,
                                             disablingAdmin,
-                                            Bundle.EMPTY)
+                                            bundle)
                                     .setIdentifier(Integer.toString(userId)),
                             REQUEST_CODE_FACE_SETTING),
                     disablingAdmin == null /* enabled */,