Add implementation for hwbinder benchmark service.

Bug:32279499
Test: make android.hardware.tests.libhwbinder@1.0-impl
Change-Id: I75056afa32b8189020608779ec495659ea35ed48
diff --git a/tests/libhwbinder/1.0/default/Android.bp b/tests/libhwbinder/1.0/default/Android.bp
new file mode 100644
index 0000000..91149e8
--- /dev/null
+++ b/tests/libhwbinder/1.0/default/Android.bp
@@ -0,0 +1,16 @@
+cc_library_shared {
+    name: "android.hardware.tests.libhwbinder@1.0-impl",
+    relative_install_path: "hw",
+    srcs: [
+        "Benchmark.cpp",
+    ],
+
+    shared_libs: [
+        "libbase",
+        "libhidl",
+        "libhwbinder",
+        "liblog",
+        "libutils",
+        "android.hardware.tests.libhwbinder@1.0",
+    ],
+}
\ No newline at end of file