Revert "Return enrollment consent status to caller."

This reverts commit eb1dac69f0.

Reason for revert: Based on bisection, this CL is the root cause for bug 192420564, which breaks Setup Wizard.

Bug: 192420564
Change-Id: I8d9aee7fe2415e134fcc981b0548bd9ce300db55

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

@@ -20,6 +20,7 @@ import android.app.PendingIntent;
 import android.content.Intent;
 import android.hardware.face.FaceManager;
 import android.hardware.fingerprint.FingerprintManager;
+import android.util.Log;
 
 import androidx.annotation.NonNull;
 import androidx.fragment.app.FragmentActivity;
@@ -106,4 +107,11 @@ public class MultiBiometricEnrollHelper {
                     hardwareAuthToken, mGkPwHandle, mUserId);
         }));
     }
+
+    void onActivityResult(int requestCode, int resultCode, Intent data) {
+        Log.d(TAG, "RequestCode: " + requestCode + " resultCode: " + resultCode);
+        BiometricUtils.removeGatekeeperPasswordHandle(mActivity, mGkPwHandle);
+        mActivity.setResult(resultCode);
+        mActivity.finish();
+    }
 }