Add implementation for hwbinder benchmark service.

Bug:32279499
Test: make android.hardware.tests.libhwbinder@1.0-impl
Change-Id: I75056afa32b8189020608779ec495659ea35ed48

Android.bp

@@ -14,6 +14,7 @@ subdirs = [
     "tests/foo/1.0",
     "tests/foo/1.0/default",
     "tests/libhwbinder/1.0",
+    "tests/libhwbinder/1.0/default",
     "tests/msgq/1.0",
     "tests/pointer/1.0",
     "tests/pointer/1.0/default",

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",
+    ],
+}

tests/libhwbinder/1.0/default/Benchmark.cpp

@@ -0,0 +1,28 @@
+#define LOG_TAG "libhwbinder_benchmark"
+
+#include "Benchmark.h"
+
+namespace android {
+namespace hardware {
+namespace tests {
+namespace libhwbinder {
+namespace V1_0 {
+namespace implementation {
+
+Return<void> Benchmark::sendVec(
+        const ::android::hardware::hidl_vec<uint8_t>& data,
+        sendVec_cb _hidl_cb) {
+    _hidl_cb(data);
+    return Void();
+}
+
+IBenchmark* HIDL_FETCH_IBenchmark(const char* /* name */) {
+    return new Benchmark();
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace libhwbinder
+}  // namespace tests
+}  // namespace hardware
+}  // namespace android

tests/libhwbinder/1.0/default/Benchmark.h

@@ -0,0 +1,31 @@
+#ifndef HIDL_GENERATED_android_hardware_benchmark_V1_0_Benchmark_H_
+#define HIDL_GENERATED_android_hardware_benchmark_V1_0_Benchmark_H_
+
+#include <android/hardware/tests/libhwbinder/1.0/IBenchmark.h>
+#include <hidl/Status.h>
+
+namespace android {
+namespace hardware {
+namespace tests {
+namespace libhwbinder {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::hardware::tests::libhwbinder::V1_0::IBenchmark;
+using ::android::hardware::Return;
+using ::android::hardware::hidl_vec;
+
+struct Benchmark : public IBenchmark {
+  virtual Return<void> sendVec(const hidl_vec<uint8_t>& data, sendVec_cb _hidl_cb)  override;
+};
+
+extern "C" IBenchmark* HIDL_FETCH_IBenchmark(const char* name);
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace libhwbinder
+}  // namespace tests
+}  // namespace hardware
+}  // namespace android
+
+#endif  // HIDL_GENERATED_android_hardware_benchmark_V1_0_Benchmark_H_