Fingerprint VTS

Bug: 34179855
Test:
  make vts;
  adb push
    out/host/linux-x86/vts/android-vts/testcases/DATA/nativetest64/fingerprint_hidl_hal_test/fingerprint_hidl_hal_test
    /data/local/tmp/.;
  adb shell /data/local/tmp/fingerprint_hidl_hal_test;

Change-Id: If9174dc34d0802388a9af8cda88b28329248bc42
diff --git a/biometrics/Android.bp b/biometrics/Android.bp
index eea4604..b4681e4 100644
--- a/biometrics/Android.bp
+++ b/biometrics/Android.bp
@@ -1,4 +1,5 @@
 // This is an autogenerated file, do not edit.
 subdirs = [
     "fingerprint/2.1",
+    "fingerprint/2.1/vts/functional"
 ]