Add file io benchmark program

Bug: 195490345
Test: benchmark_example.sh aosp_oriole_pkvm-userdebug
Change-Id: Idd9f8e97b16d83120bcb54551832eacbbd0670f7
diff --git a/tests/benchmark/Android.bp b/tests/benchmark/Android.bp
new file mode 100644
index 0000000..1826524
--- /dev/null
+++ b/tests/benchmark/Android.bp
@@ -0,0 +1,19 @@
+cc_binary {
+    name: "fs_benchmark",
+    static_executable: true,
+    static_libs: ["libbase"],
+    srcs: ["fs_benchmark.cpp"],
+}
+
+cc_library_shared {
+    name: "empty_payload",
+    srcs: ["empty_payload.cpp"],
+}
+
+android_app {
+    name: "MicrodroidFilesystemBenchmarkApp",
+    srcs: [],
+    jni_libs: ["empty_payload"],
+    platform_apis: true,
+    use_embedded_native_libs: true,
+}