Merge "JobScheduler: Use StringBuilder for job name generation" into main

        this.job = job;

        final String bnNamespace = namespace == null ? "" :  "@" + namespace + "@";

        this.batteryName = this.sourceTag != null

                ? bnNamespace + this.sourceTag + ":" + job.getService().getPackageName()

                : bnNamespace + job.getService().flattenToShortString();

        StringBuilder batteryName = new StringBuilder();

        if (namespace != null) {

            batteryName.append("@").append(namespace).append("@");

        }

        if (sourceTag != null) {

            batteryName.append(sourceTag).append(":").append(job.getService().getPackageName());

        } else {

            batteryName.append(job.getService().flattenToShortString());

        }

        this.batteryName = batteryName.toString();

        final String componentPackage = job.getService().getPackageName();

        mIsProxyJob = !this.sourcePackageName.equals(componentPackage);