Integration test: Use the java binaries from the repo prebuilds

This packages the test with binaries from JAVA_HOME that comes with the repo, which prevents compatibility issues with the host Java environment.

Test: schedule the test in a lab that has a lower version of java installed
Bug: 246486566
Change-Id: I454f1e1dfbc81149379318ca0105e46058c9b99f
2 files changed