Revert "Import serde-xml-rs 0.4.1" am: 1620dfabbf

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/serde-xml-rs/+/1769146

Change-Id: I8678b8aa3460dc8408406a01fc41a688f263b4b5
tree: 4b825dc642cb6eb9a060e54bf8d69288fbee4904

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