Merge "audiopolicy: capengine: fix missing comma when chaining compound rules" into main

    }

    rule += "{";

    if (!aidlRule.nestedRules.empty()) {

        for (const auto& nestedRule: aidlRule.nestedRules) {

            rule += VALUE_OR_FATAL(aidl2legacy_AudioHalCapRule_CapRule(nestedRule));

        }

        if (!aidlRule.criterionRules.empty()) {

        for (auto ruleIter = aidlRule.nestedRules.begin(); ruleIter != aidlRule.nestedRules.end();

                ++ruleIter) {

            rule += VALUE_OR_FATAL(aidl2legacy_AudioHalCapRule_CapRule(*ruleIter));

            if (ruleIter != (aidlRule.nestedRules.end()  - 1) || !aidlRule.criterionRules.empty()) {

                rule += ",";

            }

        }

    }

    bool isFirstCriterionRule = true;

    for (const auto& criterionRule: aidlRule.criterionRules) {

        if (!isFirstCriterionRule) {