RFR 8213203: [JVMCI] adopt formatting changes from jvmci 8

[Tom Rodriguez]

Vladimir Kozlov wrote on 11/1/18 1:51 PM:
> Looks good except new package-info.java files. I don't think we need 
> them in JDK. One time ago we removed them all.
> I see we still have 2 files in JVMCI and 10  in Graal sources. We should 
> remove them.

I'll go ahead and remove them.  We use them in graal-jvmci-8 to drive 
our sigtest logic which validates the public API we expose and I figured 
it wouldn't hurt to bring them across.

tom

> 
> Thanks,
> Vladimir
> 
> On 11/1/18 1:21 PM, Tom Rodriguez wrote:
>> http://cr.openjdk.java.net/~never/8213203/webrev
>> https://bugs.openjdk.java.net/browse/JDK-8213203
>>
>> This brings over primarily formatting changes from graal-jvmci-8 to 
>> partially synchronize the sources.  Mostly these are documentation 
>> improvements and style cleanups.  There are also some changes to 
>> reduce the visibility of non-public classes in the public API.  
>> Testing is underway.
>>
>> tom