[jdk17u] RFR: 8272914: Create hotspot:tier2 and hotspot:tier3 test groups

[Aleksey Shipilev]

Clean backport to improve testing capabilities.

Additional testing:
 - [x] Linux x86_64 `hotspot:tier2` passes
 - [x] Linux x86_64 `hotspot:tier3` passes

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Commit messages:
 - Backport 5ee5dd9b18fb5adc563a65bd1a29779eda675d61

Changes: https://git.openjdk.java.net/jdk17u/pull/124/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u&pr=124&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8272914
  Stats: 11 lines in 1 file changed: 11 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk17u/pull/124.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u pull/124/head:pull/124

PR: https://git.openjdk.java.net/jdk17u/pull/124