Merge "Add nullptr check for captureListener in captureScreenCommon"

                std::unique_ptr<RenderArea> renderArea = renderAreaFuture.get();

                if (!renderArea) {

                    ALOGW("Skipping screen capture because of invalid render area.");

                    if (captureListener) {

                        captureResults.fenceResult = base::unexpected(NO_MEMORY);

                        captureListener->onScreenCaptureCompleted(captureResults);

                    }

                    return ftl::yield<FenceResult>(base::unexpected(NO_ERROR)).share();

                }