Merge "Reduce total number of background apps for low memory devices"

    // we have no limit on the number of service, visible, foreground, or other such

    // processes and the number of those processes does not count against the cached

    // process limit.

    static final int MAX_CACHED_APPS = 24;

    static final int MAX_CACHED_APPS = SystemProperties.getInt("ro.sys.fw.bg_apps_limit",24);

    // We allow empty processes to stick around for at most 30 minutes.

    static final long MAX_EMPTY_TIME = 30*60*1000;