Merge changes from topic "roll-rust-1.47.0" am: 4910d7472e am: 4370a5dab6 am: 0ab6a80e72

Original change: https://android-review.googlesource.com/c/platform/prebuilts/rust/+/1485757

Change-Id: I09c370b17cc11d1e1c49206299c4789ea5e46e47
tree: 843eb9a77ad47b8091e78cb20ac4448e5b0b72ff
  1. bootstrap/
  2. darwin-x86/
  3. linux-x86/
  4. Android.bp
  5. OWNERS