Make maven use the configured JDK tool

Follow-up NXP-24952
Setting the tool is not enough in some pipelines: the JAVA_HOME or the PATH is not correct.

ftest.groovy, sonar.groovy and utest.groovy do not make Maven use the right tool:

Java version: 1.8.0_191, vendor: Oracle Corporation

tests_1  | Detected JDK Version: 1.8.0-191 is not in the allowed range [11,).

Setting the tool is not enough to get some related variables being set. In the case of Maven, it needs JAVA_HOME for instance.

Here are various working solutions:

• jdk = tool name: 'java-11-openjdk'
  env.JAVA_HOME = "${jdk}"
  
  withEnv(['MAVEN_OPTS=...']) {
      sh """#!/bin/bash -ex
          mvn -v
      """
  }
  

• withEnv(["JAVA_HOME=${ tool 'java-11-openjdk' }", 'MAVEN_OPTS=...']) {
      sh """#!/bin/bash -ex
          mvn -v
      """
  } 

• withMaven(jdk: 'java-11-openjdk', mavenOpts: '... <there is a bug?! prefer the following Shell export>') {
      sh """#!/bin/bash -ex
          export MAVEN_OPTS='...'
          mvn -v
      """
  }