Fix SyntheticPasswordTests

Move the biometric check to the injector so it can be ignored for tests

Test: atest SyntheticPasswordTests
Change-Id: I261edac299bbda5205b0759670def073a46dc49a

services/core/java/com/android/server/locksettings/LockSettingsService.java

@@ -405,6 +405,10 @@ public class LockSettingsService extends ILockSettings.Stub {
             return new SyntheticPasswordManager(getContext(), storage, getUserManager());
         }
 
+        public boolean hasBiometrics() {
+            return BiometricManager.hasBiometrics(mContext);
+        }
+
         public int binderGetCallingUid() {
             return Binder.getCallingUid();
         }
@@ -2423,7 +2427,7 @@ public class LockSettingsService extends ILockSettings.Stub {
             notifyActivePasswordMetricsAvailable(userCredential, userId);
             unlockKeystore(authResult.authToken.deriveKeyStorePassword(), userId);
             // Reset lockout
-            if (BiometricManager.hasBiometrics(mContext)) {
+            if (mInjector.hasBiometrics()) {
                 BiometricManager bm = mContext.getSystemService(BiometricManager.class);
                 Slog.i(TAG, "Resetting lockout, length: "
                         + authResult.gkResponse.getPayload().length);

services/tests/servicestests/src/com/android/server/locksettings/LockSettingsServiceTestable.java

@@ -103,6 +103,11 @@ public class LockSettingsServiceTestable extends LockSettingsService {
             return mSpManager;
         }
 
+        @Override
+        public boolean hasBiometrics() {
+            return false;
+        }
+
         @Override
         public int binderGetCallingUid() {
             return Process.SYSTEM_UID;