Merge "Refresh Android.bp, cargo2android.json, TEST_MAPPING." am: a06f19cd00 am: 33b0e3eff8 am: a63259f175 am: 467bdb9d44

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/futures-io/+/1912522

Change-Id: Ib5a1455474c4dcfee5ca92a1e8cf0ef8040ef9b6