Merge "SurfaceFlinger: tree vote for FrameRateCompatibility::ExactOrMultiple"...

    // First traverse the tree and count how many layers has votes

    int layersWithVote = 0;

    traverseTree([&layersWithVote](Layer* layer) {

        if (layer->mCurrentState.frameRate.rate > 0 ||

            layer->mCurrentState.frameRate.type == FrameRateCompatibility::NoVote) {

        const auto layerVotedWithDefaultCompatibility = layer->mCurrentState.frameRate.rate > 0 &&

                layer->mCurrentState.frameRate.type == FrameRateCompatibility::Default;

        const auto layerVotedWithNoVote =

                layer->mCurrentState.frameRate.type == FrameRateCompatibility::NoVote;

        // We do not count layers that are ExactOrMultiple for the same reason

        // we are allowing touch boost for those layers. See

        // RefreshRateConfigs::getBestRefreshRate for more details.

        if (layerVotedWithDefaultCompatibility || layerVotedWithNoVote) {

            layersWithVote++;

        }

    });