Switch the tests to using Jack for compilation

Bug: 27115876
Change-Id: Ibe387dc8419587ef977e4711b051612e7037d896
diff --git a/tools/buildbot-build.sh b/tools/buildbot-build.sh
index 9e02ce2..2eb52bc 100755
--- a/tools/buildbot-build.sh
+++ b/tools/buildbot-build.sh
@@ -21,7 +21,7 @@
 
 out_dir=${OUT_DIR-out}
 java_libraries_dir=${out_dir}/target/common/obj/JAVA_LIBRARIES
-common_targets="vogar ${java_libraries_dir}/core-tests_intermediates/javalib.jar apache-harmony-jdwp-tests-hostdex ${java_libraries_dir}/jsr166-tests_intermediates/javalib.jar ${out_dir}/host/linux-x86/bin/jack"
+common_targets="vogar core-tests apache-harmony-jdwp-tests-hostdex jsr166-tests ${out_dir}/host/linux-x86/bin/jack"
 mode="target"
 j_arg="-j$(nproc)"
 showcommands=