Import 'ryu' crate version 1.0.5 am: ce81bb62a2 am: 261516ff4c am: 803bba2af0 am: 1f6fa1f83c

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/ryu/+/1414669

Change-Id: Ia16352b8a6d3eb42495ad456b9a99eaa411066e8