Merge "Refresh Android.bp, cargo2android.json, TEST_MAPPING." am: eb6778ca2b am: 835bfbe608 am: 9709366d77 am: bad4bc6d7f

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/serde/+/1912508

Change-Id: Idfc7ea90ba59cf0587eae0fcd03fae67ed21d639