atrace: read package names from multiple sysprops

// values listed in the app_cmdlines property.

static bool atrace_is_cmdline_match(const char* cmdline)

{

    char value[PROPERTY_VALUE_MAX];

    char* start = value;

    property_get("debug.atrace.app_cmdlines", value, "");

    while (start != NULL) {

        char* end = strchr(start, ',');

    int count = property_get_int32("debug.atrace.app_number", 0);

        if (end != NULL) {

            *end = '\0';

            end++;

        }

    char buf[PROPERTY_KEY_MAX];

    char value[PROPERTY_VALUE_MAX];

        if (strcmp(cmdline, start) == 0) {

    for (int i = 0; i < count; i++) {

        snprintf(buf, sizeof(buf), "debug.atrace.app_%d", i);

        property_get(buf, value, "");

        if (strcmp(value, cmdline) == 0) {

            return true;

        }

        start = end;

    }

    return false;