Merge "Fix a race condition in CCodecBufferChannel::requestInitialInputBuffers" into main

status_t CCodecBufferChannel::requestInitialInputBuffers(

        std::map<size_t, sp<MediaCodecBuffer>> &&clientInputBuffers) {

    std::optional<QueueGuard> guard;

    if (android::media::codec::provider_->codec_buffer_state_cleanup()) {

        guard.emplace(mSync);

        if (!guard->isRunning()) {

            ALOGD("[%s] skip requestInitialInputBuffers when not running", mName);

            return OK;

        }

    }

    C2StreamBufferTypeSetting::output oStreamFormat(0u);

    C2PrependHeaderModeSetting prepend(PREPEND_HEADER_TO_NONE);

    c2_status_t err = mComponent->query({ &oStreamFormat, &prepend }, {}, C2_DONT_BLOCK, nullptr);