camera.device@3.2 wrapper: Close release fence FDs

Freeing the native handle isn't enough; we need to close the fence FDs
after sending them to the camera service, since that's the behavior
that the legacy HAL interface requires.

Test: Camera CTS continues to pass.
Bug: 38482274
Change-Id: I879de566dcafecc1b899d79e68b38ea39b91a37e
diff --git a/camera/device/3.2/default/CameraDeviceSession.cpp b/camera/device/3.2/default/CameraDeviceSession.cpp
index 61be82d..bad406f 100644
--- a/camera/device/3.2/default/CameraDeviceSession.cpp
+++ b/camera/device/3.2/default/CameraDeviceSession.cpp
@@ -403,12 +403,14 @@
         if (result.inputBuffer.releaseFence.getNativeHandle() != nullptr) {
             native_handle_t* handle = const_cast<native_handle_t*>(
                     result.inputBuffer.releaseFence.getNativeHandle());
+            native_handle_close(handle);
             native_handle_delete(handle);
         }
         for (auto& buf : result.outputBuffers) {
             if (buf.releaseFence.getNativeHandle() != nullptr) {
                 native_handle_t* handle = const_cast<native_handle_t*>(
                         buf.releaseFence.getNativeHandle());
+                native_handle_close(handle);
                 native_handle_delete(handle);
             }
         }