tflite: Fix native handle deallocation size mismatch

The default new/delete memory management will act based on the given
type.

However, since native_handle_t contains zero-length (dynamic size)
array, new/delete cannot handle properly.

Thus, use `OwnedNativeHandle` defined in `android/native_handle_util`
and manually malloc the memory to solve the issue.

BUG=b:443074562
TEST=CQ

Change-Id: I06e533441072e0945b4bb050e6b32dd2f8613691
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/tflite/+/6934338
Tested-by: Tommy Chiang <ototot@google.com>
Commit-Queue: Shik Chen <shik@chromium.org>
Reviewed-by: Shik Chen <shik@chromium.org>
Commit-Queue: Tommy Chiang <ototot@google.com>
Auto-Submit: Tommy Chiang <ototot@google.com>
diff --git a/android/BUILD.bazel b/android/BUILD.bazel
index fe2f540..248d153 100644
--- a/android/BUILD.bazel
+++ b/android/BUILD.bazel
@@ -56,6 +56,7 @@
     ],
     deps = [
         ":hardware_buffer",
+        ":native_handle_util",
         "//common:log",
         "@com_google_absl//absl/strings",
         "@com_google_googletest//:gtest",
diff --git a/android/hardware_buffer_test.cc b/android/hardware_buffer_test.cc
index a31d30f..d0aa34d 100644
--- a/android/hardware_buffer_test.cc
+++ b/android/hardware_buffer_test.cc
@@ -9,6 +9,7 @@
 #include <gtest/gtest.h>
 
 #include <algorithm>
+#include <cstdlib>
 #include <fstream>
 #include <memory>
 #include <string>
@@ -16,6 +17,7 @@
 
 #include "absl/strings/numbers.h"
 #include "absl/strings/str_split.h"
+#include "android/native_handle_util.h"
 #include "common/log.h"
 
 namespace {}  // namespace
@@ -152,9 +154,8 @@
   AHardwareBuffer_release(original);
 
   // Construct a new handle with the fd.
-  auto handle = std::unique_ptr<native_handle_t>(
-      static_cast<native_handle_t*>(operator new(sizeof(native_handle_t) +
-                                                 sizeof(int))));
+  auto handle = tflite::cros::OwnedNativeHandle(static_cast<native_handle_t*>(
+      std::malloc(sizeof(native_handle_t) + sizeof(int))));
   *handle = {
       .version = sizeof(native_handle_t),
       .numFds = 1,