Make AndroidResource serializable for RE
Make AndroidResource serializable for RE

Summary:
Per title. Move unneeded fields out of the Buildable and add the OutputPaths to the rulekey.

hat-tip to mykola-semko for pointing out that this wasn't working.

Reviewed By: mykola-semko

fbshipit-source-id: 47336c545c291d67fa6466b043b720c2256d119a

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