RFR: JDK-8295087: Manual Test to Automated Test Conversion

[Bill Huang]

This task converts 5 manual tests to automated tests.

sun/security/provider/PolicyParser/ExtDirsDefaultPolicy.java 
sun/security/provider/PolicyParser/ExtDirsChange.java 
sun/security/provider/PolicyParser/ExtDirs.java 
java/security/Policy/Root/Root.javajava/security/Policy/Root/Root.java 
javax/crypto/CryptoPermissions/InconsistentEntries.java

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Commit messages:
 - Converted security manual tests to automated tests.

Changes: https://git.openjdk.org/jdk/pull/10637/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10637&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8295087
  Stats: 210 lines in 13 files changed: 100 ins; 37 del; 73 mod
  Patch: https://git.openjdk.org/jdk/pull/10637.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10637/head:pull/10637

PR: https://git.openjdk.org/jdk/pull/10637