Merge "audio policy: invalidate tracks when selected devices become unreachable" into main

    std::vector<sp<SwAudioOutputDescriptor>> invalidatedOutputs;

    // take into account dynamic audio policies related changes: if a client is now associated

    // to a different policy mix than at creation time, invalidate corresponding stream

    // invalidate clients on outputs that do not support all the newly selected devices for the

    // strategy

    for (size_t i = 0; i < mPreviousOutputs.size(); i++) {

        const sp<SwAudioOutputDescriptor>& desc = mPreviousOutputs.valueAt(i);

        if (desc->isDuplicated()) {

        if (desc->isDuplicated() || desc->getClientCount() == 0) {

            continue;

        }

        for (const sp<TrackClientDescriptor>& client : desc->getClientIterable()) {

            if (mEngine->getProductStrategyForAttributes(client->attributes()) != psId) {

                continue;

            }

            if (!desc->supportsAllDevices(newDevices)) {

                invalidatedOutputs.push_back(desc);

                break;

            }

            sp<AudioPolicyMix> primaryMix;

            status_t status = mPolicyMixes.getOutputForAttr(client->attributes(), client->config(),

                    client->uid(), client->session(), client->flags(), mAvailableOutputDevices,

                    nullptr /* requestedDevice */, primaryMix, nullptr /* secondaryMixes */,

                    unneededUsePrimaryOutputFromPolicyMixes);

            if (status != OK) {

                continue;

            }

            if (status == OK) {

                if (client->getPrimaryMix() != primaryMix || client->hasLostPrimaryMix()) {

                    if (desc->isStrategyActive(psId) && maxLatency < desc->latency()) {

                        maxLatency = desc->latency();

                    }

                    invalidatedOutputs.push_back(desc);

                    break;

                }

            }

        }

    }