RFR (XS) JDK-8222502: Replace 19,20 case alternatives with JVM_CONSTANT_Module/Package names

[Lois Foltan]

Thanks Harold!
Lois

On 4/22/2019 1:01 PM, Harold Seigel wrote:
> Hi Lois,
>
> This looks good.
>
> Thanks, Harold
>
> On 4/22/2019 11:18 AM, Lois Foltan wrote:
>> Please review the following change to add JVM_CONSTANT_Module and 
>> JVM_CONSTANT_Package to classfile_constants.h and use these constant 
>> types instead of hard coded 19 & 20 within ClassFileParser.
>>
>> open webrev at: 
>> http://cr.openjdk.java.net/~lfoltan/bug_jdk8222502.0/webrev/
>> bug link: https://bugs.openjdk.java.net/browse/JDK-8222502 
>> <https://bugs.openjdk.java.net/browse/JDK-8222502>
>>
>> Testing: hs-tier1-3, jdk-tier1-3
>>
>> Thanks,
>> Lois