Use hidl_pointer<native_handle_t>  in MQDescriptor

Bug: 33467211
Test: Built and ran 32-bit FMQ unit tests

To fix issues with passing handles between 32 bit processes
over hwbinder, use a hidl_pointer<native_handle_t> instead.

Change-Id: Id039c9577a661e0268c8effe493d5f7cebdb510d
1 file changed