RFR(tedious): 8218089: Rename DirtyCardQueue et al to follow usual G1 naming conventions

[Kim Barrett]

> On Feb 1, 2019, at 1:25 AM, Kim Barrett <kim.barrett at oracle.com> wrote:
> 
> Please review this renaming of some G1-specific classes and associated
> files to follow our usual naming conventions.
> 
> Renamed files:
> dirtyCardQueue.[ch]pp => g1DirtyCardQueue.[ch]pp
> 
> Added "G1" prefix to class names CardTableEntryClosure,
> DirtyCardQueue, and DirtyCardQueueSet.
> 
> Also did a little bit of #include list and forward declaration list
> maintenance related to these changes.
> 
> CR:
> https://bugs.openjdk.java.net/browse/JDK-8218089
> 
> Webrev:
> http://cr.openjdk.java.net/~kbarrett/8218089/open.00/
> 
> Testing:
> mach5 tier1-3

I forgot to mention that these changes touch a couple of S390 and PPC
files in fairly obvious ways.  I haven’t tested those changes; they look
trivial, and hopefully I didn’t botch them.