Bug fix - when enrolled, biometrics have ok safety state.

Bug: 222336582
Test: atest SettingsUnitTests
Change-Id: Ia90329fa126b181e87ff7ed626ba33eca1e6bf7d

src/com/android/settings/biometrics/combination/CombinedBiometricStatusUtils.java

@@ -55,6 +55,13 @@ public class CombinedBiometricStatusUtils {
         return Utils.hasFingerprintHardware(mContext) && Utils.hasFaceHardware(mContext);
     }
 
+    /**
+     * Returns whether at least one face template or fingerprint has been enrolled.
+     */
+    public boolean hasEnrolled() {
+        return hasEnrolledFingerprints() || hasEnrolledFace();
+    }
+
     /**
      * Returns the {@link EnforcedAdmin} in case parental consent is required to change both
      * face and fingerprint settings.
@@ -84,8 +91,7 @@ public class CombinedBiometricStatusUtils {
     public String getSummary() {
         final int numFingerprintsEnrolled = mFingerprintManager != null
                 ? mFingerprintManager.getEnrolledFingerprints(mUserId).size() : 0;
-        final boolean faceEnrolled = mFaceManager != null
-                && mFaceManager.hasEnrolledTemplates(mUserId);
+        final boolean faceEnrolled = hasEnrolledFace();
 
         if (faceEnrolled && numFingerprintsEnrolled > 1) {
             return mContext.getString(
@@ -105,6 +111,14 @@ public class CombinedBiometricStatusUtils {
         }
     }
 
+    private boolean hasEnrolledFingerprints() {
+        return mFingerprintManager != null && mFingerprintManager.hasEnrolledFingerprints(mUserId);
+    }
+
+    private boolean hasEnrolledFace() {
+        return mFaceManager != null && mFaceManager.hasEnrolledTemplates(mUserId);
+    }
+
     /**
      * Returns the class name of the Settings page corresponding to combined biometric settings.
      */