Merge "usbd: Do not join the thread pool" into pi-dev

#include <android-base/properties.h>

#include <android/hardware/usb/gadget/1.0/IUsbGadget.h>

#include <hidl/HidlTransportSupport.h>

#define PERSISTENT_USB_CONFIG "persist.sys.usb.config"

using android::base::GetProperty;

using android::base::SetProperty;

using android::hardware::configureRpcThreadpool;

using android::hardware::usb::gadget::V1_0::GadgetFunction;

using android::hardware::usb::gadget::V1_0::IUsbGadget;

using android::hardware::Return;

int main(int /*argc*/, char** /*argv*/) {

    configureRpcThreadpool(1, true /*callerWillJoin*/);

    android::sp<IUsbGadget> gadget = IUsbGadget::getService();

    Return<void> ret;