RFR: 8256722: handle VC++:1927 VS2019 in abstract_vm_version

[Fairoz Matte]

The C++ compiler handling coding in abstract_vm_version.cpp currently misses handling nicely for VC++:1927 VS2019.
Source:
https://en.wikipedia.org/wiki/Microsoft_Visual_C%2B%2B

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Commit messages:
 - 8256722: handle VC++:1927 VS2019 in  abstract_vm_version

Changes: https://git.openjdk.java.net/jdk/pull/1377/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1377&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8256722
  Stats: 10 lines in 1 file changed: 10 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1377.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1377/head:pull/1377

PR: https://git.openjdk.java.net/jdk/pull/1377