[jdk11u-dev] RFR: 8306636: Disable compiler/c2/Test6905845.java with -XX:TieredStopAtLevel=3

[luchenlin]

I backport this for parity with 11.0.21-oracle.

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Commit messages:
 - Backport 4900517479f12b59cd8f1c31ad94ad7487c522f7

Changes: https://git.openjdk.org/jdk11u-dev/pull/2028/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2028&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8306636
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2028.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2028/head:pull/2028

PR: https://git.openjdk.org/jdk11u-dev/pull/2028