RFR: JDK-8283497: [windows] print TMP and TEMP in hs_err and VM.info

[Thomas Stuefe]

Trivial change to add TMP and TEMP - important e.g. to analyze problems with jdk.attach - to the list of environment variables we print into hs-err files and jcmd VM.info.

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Commit messages:
 - add TMP and TEMP to list of environment variables

Changes: https://git.openjdk.java.net/jdk/pull/7901/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7901&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8283497
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7901.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7901/head:pull/7901

PR: https://git.openjdk.java.net/jdk/pull/7901