[jdk17u-dev] RFR: 8304174: Remove delays from httpserver tests

[Goetz Lindenmaier]

I backport this for parity with 17.0.10-oracle.

I had to resolve the copyright in Test1.java.  Will mark as clean.

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Commit messages:
 - Backport 450567031ec32846c9a8f157eb56bd099b17b5a5

Changes: https://git.openjdk.org/jdk17u-dev/pull/1788/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1788&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8304174
  Stats: 111 lines in 40 files changed: 0 ins; 23 del; 88 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1788.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1788/head:pull/1788

PR: https://git.openjdk.org/jdk17u-dev/pull/1788