[jdk15u-dev] RFR: 8276141: XPathFactory set/getProperty method

[Yuri Nesterenko]

get/setProperty added plus test and presumably CSR; difference from the original is in LAstModified of XPathFactoryImpl.java and the test context.

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Commit messages:
 - Backport b226ab99c872e791d3ed9fca015cf92847904c34

Changes: https://git.openjdk.java.net/jdk15u-dev/pull/179/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk15u-dev&pr=179&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8276141
  Stats: 194 lines in 5 files changed: 189 ins; 0 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk15u-dev/pull/179.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk15u-dev pull/179/head:pull/179

PR: https://git.openjdk.java.net/jdk15u-dev/pull/179