Add bazel and java tools to airgap image

These are required by DV

Bypass-Presubmit-Reason: tested manually
Change-Id: I76003c105ae60f1f02a7a4877647ce7439982d21

util/prep-bazel-airgapped-build.sh

diff --git a/util/prep-bazel-airgapped-build.sh b/util/prep-bazel-airgapped-build.sh
index 8e0e08a..0728b97 100755
--- a/util/prep-bazel-airgapped-build.sh
+++ b/util/prep-bazel-airgapped-build.sh
@@ -206,7 +206,10 @@
     @rust_linux_x86_64__x86_64-unknown-linux-gnu__nightly_tools//... \
     @org_chipsalliance_chisel_plugin//... \
     @kelvin_hw//lib:chisel_lib \
-    @llvm_firtool//...
+    @llvm_firtool//... \
+    @bazel_tools//tools/jdk:prebuilt_singlejar_linux \
+    @remote_java_tools_linux//:prebuilt_singlejar \
+    @remote_java_tools_linux//:ijar_prebuilt_binary
   cp -R $(${BAZEL_AIRGAPPED_DIR}/bazel info output_base)/external/${BAZEL_PYTHON_WHEEL_REPO} \
     ${BAZEL_AIRGAPPED_DIR}/
   echo "Done."