Refactor biometric virtual HAL config/control

for additional ways besides system property
Bug: 326227403
Test: atest android.hardware.biometrics.common.ConfigTest

Change-Id: Id0aa4961cc732c23f5da140eca81470316834b70
diff --git a/biometrics/common/config/Android.bp b/biometrics/common/config/Android.bp
new file mode 100644
index 0000000..d38ffe8
--- /dev/null
+++ b/biometrics/common/config/Android.bp
@@ -0,0 +1,48 @@
+//
+// Copyright (C) 2024 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_library {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    name: "android.hardware.biometrics.common.config",
+    export_include_dirs: ["include"],
+    vendor: true,
+    srcs: [
+        "Config.cpp",
+    ],
+    shared_libs: [
+        "libbase",
+        "libbinder_ndk",
+    ],
+}
+
+cc_test_host {
+    name: "android.hardware.biometrics.common.ConfigTest",
+    local_include_dirs: ["include"],
+    srcs: [
+        "tests/ConfigTest.cpp",
+        "Config.cpp",
+    ],
+    shared_libs: [
+        "libbase",
+        "libcutils",
+        "liblog",
+    ],
+    test_suites: ["general-tests"],
+}