[jdk8u-dev] RFR: 8305975: Add TWCA Global Root CA

[Severin Gehwolf]

Clean backport from JDK 11u modulo path changes.

Testing:
- [x] `sun/security/lib/cacerts/VerifyCACerts.java` and `security/infra/java/security/cert/CertPathValidator/certification` passed.

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Commit messages:
 - Backport 093f02aadbeedb8f22db7512cb5555c4c890b0fc

Changes: https://git.openjdk.org/jdk8u-dev/pull/319/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=319&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8305975
  Stats: 249 lines in 3 files changed: 247 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/319.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev.git pull/319/head:pull/319

PR: https://git.openjdk.org/jdk8u-dev/pull/319