[CI] Setup BUILD_JAVA_HOME & BUILD_JAVA_VERSION together to ensure that the same Java toolchain is used for all Gradle commands.
[CI] Setup BUILD_JAVA_HOME & BUILD_JAVA_VERSION together to ensure that the same Java toolchain is used for all Gradle commands.

mikeb01/Aeron,mikeb01/Aeron,mikeb01/Aeron,mikeb01/Aeron