[jdk11u-dev] RFR: 8273804: Platform.isTieredSupported should handle the no-compiler case [v2]

[Kangcheng Xu]

> a clean backport of [JDK-8273804](https://bugs.openjdk.org/browse/JDK-8273804).

Kangcheng Xu has refreshed the contents of this pull request, and previous commits have been removed. Incremental views are not available.

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Changes:
  - all: https://git.openjdk.org/jdk11u-dev/pull/2201/files
  - new: https://git.openjdk.org/jdk11u-dev/pull/2201/files/486ebd81..639afbe6

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2201&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2201&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2201.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2201/head:pull/2201

PR: https://git.openjdk.org/jdk11u-dev/pull/2201