trusty: Helper library for metrics

Bug: 182489121
Test: libtrusty_metrics_test
Change-Id: I7fc45ea3319185a8ac55889e56bd484d4774e928
diff --git a/trusty/metrics/Android.bp b/trusty/metrics/Android.bp
new file mode 100644
index 0000000..e0533bc
--- /dev/null
+++ b/trusty/metrics/Android.bp
@@ -0,0 +1,51 @@
+// Copyright (C) 2021 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.
+
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_library {
+    name: "libtrusty_metrics",
+    vendor: true,
+    srcs: [
+        "metrics.cpp",
+    ],
+    export_include_dirs: [
+        "include",
+    ],
+    shared_libs: [
+        "libbase",
+        "liblog",
+        "libtrusty",
+    ],
+}
+
+cc_test {
+    name: "libtrusty_metrics_test",
+    vendor: true,
+    srcs: [
+        "metrics_test.cpp",
+    ],
+    static_libs: [
+        "libtrusty_metrics",
+    ],
+    shared_libs: [
+        "libbase",
+        "libbinder",
+        "liblog",
+        "libtrusty",
+    ],
+    require_root: true,
+}