Allow j2objc to access javac internals
Allow j2objc to access javac internals

This is necessary with recent JDK due to [JEP 396: Strongly Encapsulate JDK Internals by Default](https://openjdk.java.net/jeps/396)

PiperOrigin-RevId: 378780031

katre/bazel,perezd/bazel,katre/bazel,perezd/bazel,perezd/bazel,ButterflyNetwork/bazel,cushon/bazel,bazelbuild/bazel,katre/bazel,bazelbuild/bazel,cushon/bazel,bazelbuild/bazel,cushon/bazel,perezd/bazel,bazelbuild/bazel,perezd/bazel,perezd/bazel,ButterflyNetwork/bazel,cushon/bazel,cushon/bazel,katre/bazel,bazelbuild/bazel,cushon/bazel,katre/bazel,katre/bazel,ButterflyNetwork/bazel,ButterflyNetwork/bazel,ButterflyNetwork/bazel,ButterflyNetwork/bazel,perezd/bazel,bazelbuild/bazel