RFR: 8262323: do not special case JVMCI in tiered compilation policy

[Tom Rodriguez]

On Fri, 5 Mar 2021 15:08:06 GMT, Doug Simon <dnsimon at openjdk.org> wrote:

> This PR moves some Graal specific code from shared compilation policy code into JVMCI specific files and tunes it better for libgraal.

looks good.

-------------

Marked as reviewed by never (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/2847