Merge "mark atrace buffers as uninitialized" into rvc-dev

}

#define WRITE_MSG(format_begin, format_end, name, value) { \

    char buf[ATRACE_MESSAGE_LENGTH]; \

    char buf[ATRACE_MESSAGE_LENGTH] __attribute__((uninitialized));     \

    int pid = getpid(); \

    int len = snprintf(buf, sizeof(buf), format_begin "%s" format_end, pid, \

        name, value); \