Face Biometric Virtual HAL

Bug: 294254230
Test: Manual
Change-Id: I00813b1313510e0965cb91864163e182e10aea22
diff --git a/biometrics/face/aidl/default/FakeFaceEngine.h b/biometrics/face/aidl/default/FakeFaceEngine.h
index edb54ce..eb99441 100644
--- a/biometrics/face/aidl/default/FakeFaceEngine.h
+++ b/biometrics/face/aidl/default/FakeFaceEngine.h
@@ -16,6 +16,8 @@
 
 #pragma once
 
+#define LOG_TAG "FaceVirtualHal"
+
 #include <aidl/android/hardware/biometrics/common/SensorStrength.h>
 #include <aidl/android/hardware/biometrics/face/BnSession.h>
 #include <aidl/android/hardware/biometrics/face/FaceSensorType.h>
@@ -62,4 +64,4 @@
     std::mt19937 mRandom;
 };
 
-}  // namespace aidl::android::hardware::biometrics::face
\ No newline at end of file
+}  // namespace aidl::android::hardware::biometrics::face