RFR: 8282398: EndingDotHostname.java test fails because SSL cert expired

[Rajan Halade]

Updated test certificates with 20 years of validity

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Commit messages:
 - 8065422: remove unwanted change
 - 8282398: EndingDotHostname.java test fails because SSL cert expired

Changes: https://git.openjdk.java.net/jdk/pull/7626/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7626&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8282398
  Stats: 205 lines in 2 files changed: 30 ins; 1 del; 174 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7626.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7626/head:pull/7626

PR: https://git.openjdk.java.net/jdk/pull/7626