Merge "Revert "Removing unused rustc-1.57.0"" am: 14ba4f0391 am: f11ea3dc38 am: 090ee1875d

Original change: https://android-review.googlesource.com/c/platform/prebuilts/rust/+/2008457

Change-Id: I6c2cf73e541296b95517f20d49b08e60b9506756