Create a sh_binary target for jars-to-module-info

This will enable its bp2build conversion, and is needed for java_system_modules support in Bazel

Change-Id: I4f3ff5e36c8cd7f78efbb42f641efb2f76a8b71d
Bug: 215230098

scripts/Android.bp

@@ -231,3 +231,8 @@ filegroup {
     srcs: ["rustfmt.toml"],
     visibility: ["//visibility:public"],
 }
+
+sh_binary_host {
+    name: "jars-to-module-info-java",
+    src: "jars-to-module-info-java.sh",
+}