[FEA] Support large strings in Java bindings

**Is your feature request related to a problem? Please describe.**
libcudf now supports large strings, but the Java bindings still assume the size of offset vector entries is 4 bytes (e.g.: JCudfSerialization). As a result, large string support is disabled for the Java bindings jar.

**Describe the solution you'd like**
Update the Java bindings code to support large strings and enable large strings support by default for the Java jar artifact.