Add metadata files am: dbf95917bc am: 3538b977b8 am: e5f230b7a4 am: f9fee5a2ce

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/ppv-lite86/+/1358523

Change-Id: I72ab050f611ff047b602c8f4a12afc4e630c9bd2