git: openjdk/jdk-sandbox: JDK-8316694-branch: Fix missed consts and nmethod code blob layout

[duke]

Changeset: 9aaa58fb
Author:    Evgeny Astigeevich <eastig at amazon.com>
Date:      2024-01-12 23:25:28 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/9aaa58fb04822e39ce01ba0eb2b266e9b285c020

Fix missed consts and nmethod code blob layout

! src/hotspot/share/ci/ciEnv.cpp
! src/hotspot/share/code/codeBlob.hpp
! src/hotspot/share/code/nmethod.cpp