Fixed unicorn multi-enrollment flow.

Test: Verified that Unicorn SUW flows can now
enroll a face.
Test: Verified normal SUW flow works as expected.

Fixes: 237088482
Fixes: 234663447
Change-Id: I9c4100f61b5e7d40fc9ed67c6918ec7bf31fc30a

src/com/android/settings/biometrics/BiometricEnrollActivity.java

@@ -333,6 +333,8 @@ public class BiometricEnrollActivity extends InstrumentedActivity {
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         super.onActivityResult(requestCode, resultCode, data);
 
+        Log.d(TAG,
+                "onActivityResult(requestCode=" + requestCode + ", resultCode=" + resultCode + ")");
         // single enrollment is handled entirely by the launched activity
         // this handles multi enroll or if parental consent is required
         if (mParentalConsentHelper != null) {