Merge "Fix NPE in InputDispacher by enabling debug logs"

void InputDispatcher::addWindowTargetLocked(const sp<InputWindowHandle>& windowHandle,

        int32_t targetFlags, BitSet32 pointerIds, Vector<InputTarget>& inputTargets) {

    sp<InputChannel> inputChannel = getInputChannelLocked(windowHandle->getToken());

    if (inputChannel == nullptr) {

        ALOGW("Window %s already unregistered input channel", windowHandle->getName().c_str());

        return;

    }

    inputTargets.push();

    const InputWindowInfo* windowInfo = windowHandle->getInfo();

    InputTarget& target = inputTargets.editTop();

    target.inputChannel = getInputChannelLocked(windowHandle->getToken());

    target.inputChannel = inputChannel;

    target.flags = targetFlags;

    target.xOffset = - windowInfo->frameLeft;

    target.yOffset = - windowInfo->frameTop;