Cleanup macOS Travis build. Fix typo with xcode9.4 and force JAVA_HOME as workaround until Travis fixes support for multiple JDKs in macOS: https://docs.travis-ci.com/user/languages/java/#testing-against-multiple-jdks
Cleanup macOS Travis build.
Fix typo with xcode9.4 and force JAVA_HOME as workaround until Travis fixes support for multiple JDKs in macOS: https://docs.travis-ci.com/user/languages/java/#testing-against-multiple-jdks

google/or-tools,google/or-tools,google/or-tools,or-tools/or-tools,or-tools/or-tools,google/or-tools,google/or-tools,or-tools/or-tools,or-tools/or-tools,or-tools/or-tools,google/or-tools,or-tools/or-tools