RFR: 8310003: Improve logging when default truststore is inaccessible [v4]

[Koushik Muthukrishnan Thirupattur]

> If the truststore is unavailable, JDK does not log information for 'trustStore provider is:'. We are now adding 'unspecified' instead of keeping empty.

Koushik Muthukrishnan Thirupattur has updated the pull request incrementally with one additional commit since the last revision:

  8310003: Improve logging when default truststore is inaccessible

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Changes:
  - all: https://git.openjdk.org/jdk/pull/25077/files
  - new: https://git.openjdk.org/jdk/pull/25077/files/9b950de0..73992c88

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=25077&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25077&range=02-03

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/25077.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25077/head:pull/25077

PR: https://git.openjdk.org/jdk/pull/25077