Add biometric2 unit test owner

Bug: 236072782
Test: Build pass
Change-Id: Iea90eb418eb61087c44c037356a4171197f9f6c7
diff --git a/tests/unit/src/com/android/settings/biometrics2/OWNERS b/tests/unit/src/com/android/settings/biometrics2/OWNERS
new file mode 100644
index 0000000..a257ed8
--- /dev/null
+++ b/tests/unit/src/com/android/settings/biometrics2/OWNERS
@@ -0,0 +1 @@
+include /src/com/android/settings/biometrics/OWNERS