RFR: 7902702: Add basic unified console logging support

[Dmitry Bessonov]

7902702: Add basic unified console logging support

Adding centralized support for console logging using java.uti.logging API (since JT should be JavaSE 8 compatible)

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Commit messages:
 - 7902702: Add basic unified console logging support

Changes: https://git.openjdk.java.net/jtharness/pull/4/files
 Webrev: https://webrevs.openjdk.java.net/jtharness/4/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/CODETOOLS-7902702
  Stats: 546 lines in 4 files changed: 546 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jtharness/pull/4.diff
  Fetch: git fetch https://git.openjdk.java.net/jtharness pull/4/head:pull/4

PR: https://git.openjdk.java.net/jtharness/pull/4