[jdk17u-dev] RFR: 8319187: Add three eMudhra emSign roots

[Andrew Lu]

I backport this for parity with 17.0.10-oracle.

Adapt the location of the certs and the hash in the test.

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Commit messages:
 - update
 - Backport 0bda467f6e29c866c661e88a76a9fe3efc0a0d19

Changes: https://git.openjdk.org/jdk17u-dev/pull/1983/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1983&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8319187
  Stats: 127 lines in 5 files changed: 124 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1983.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1983/head:pull/1983

PR: https://git.openjdk.org/jdk17u-dev/pull/1983