Merge "libui: Load a.h.graphics.mapper passthrough service on library load" into oc-dr1-dev

#define LOG_TAG "Gralloc2"

#include <hidl/ServiceManagement.h>

#include <hwbinder/IPCThreadState.h>

#include <ui/Gralloc2.h>

} // namespace Gralloc2

namespace {

// Load the IMapper implementation library when this shared library is loaded, rather than when

// we (lazily) create the Gralloc2::Mapper instance. Since these libraries will all be needed by

// nearly all apps, this allows us to load them in Zygote rather than on each app launch.

class PreloadMapperImpl {

public:

    PreloadMapperImpl() {

        android::hardware::preloadPassthroughService<hardware::graphics::mapper::V2_0::IMapper>();

    }

};

static PreloadMapperImpl preloadMapperImpl;

} // namespace

} // namespace android