[jdk11u-dev] RFR: 8234808: jdb quoted option parsing broken

[luchenlin]

I backport this for parity with 11.0.20-oracle.
src/jdk.jdi/share/classes/com/sun/tools/example/debug/tty/Env.java
Copyright
Resolved due to context
src/jdk.jdi/share/classes/com/sun/tools/example/debug/tty/TTY.java
Copyright
Resolved due to context
src/jdk.jdi/share/classes/com/sun/tools/example/debug/tty/VMConnection.java
Copyright
Resolved due to context

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Commit messages:
 - Backport d1f9b8a8b54843f06a93078c4a058af86fcc2aac

Changes: https://git.openjdk.org/jdk11u-dev/pull/1967/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1967&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8234808
  Stats: 43 lines in 3 files changed: 28 ins; 4 del; 11 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1967.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/1967/head:pull/1967

PR: https://git.openjdk.org/jdk11u-dev/pull/1967