Include compiling the transpiler and transpiling the jre in the presubmit for opensource.
# Script that can be used by CI server for testing j2cl builds.
set -e
-bazel build :all tools/java/...
+bazel build :all {jre,transpiler,tools}/java/...
# build hello world sample in its own workspace
(cd samples/helloworld && bazel build src/main/...)
