RFR [8] 2018-12-10: Bulk backports to sh/jdk8

[Roman Kennke]

Ok, this is true. Go for it!
Roman

> I think we do, for our own backporting simplification.
> 
> Note the file is within gc/shenandoah, and it is better to align with the files in that folder,
> rather than with some other implementation elsewhere.
>> I don't know if we want to backport this. This move was to be consistent
>> with the rest of VM naming.
>>
>> Roman
>>
>>> http://cr.openjdk.java.net/~shade/shenandoah/backports/jdk8u-20181210/webrev.01/
>>>
>>> This backports recent work to sh/jdk11. It was a quiet half-week, so we have only one thing to
>>> backport, to get Monday backports on track:
>>>
>>> [backport] Rename vm_operations_shenandoah.* to shenandoahVMOperations.*
>>>
>>> Testing: hotspot_gc_shenandoah {fastdebug|release}
>>>
>>> Thanks,
>>> -Aleksey
>>>
>>
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