[aarch64-port-dev ] RFR (trivial) : fix aarch64-8u type profile bug

[Yangfei (Felix)]

> On 9/19/19 4:17 AM, Yangfei (Felix) wrote:
> >     Is it OK to go?  Thanks.
> 
> Good catch! Looks good.
> 
> I'm sorry, I can't remember why I didn't think to back-port it at the time.
> 

This has passed jtreg hotspot & jdk test with a fastdebug build.  Will do the push.  

This also reminds me of another two aarch64-specific profiling issues: 
https://bugs.openjdk.java.net/browse/JDK-8188221
https://bugs.openjdk.java.net/browse/JDK-8189439

I think they also should be incorporated in aarch64 8u.  What do you think?  


Thanks,
Felix