Merge "Refresh Android.bp, cargo2android.json, TEST_MAPPING." am: a60fd84280 am: 3a29175127 am: 936473dbca am: a77ed27147

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/futures-core/+/1912602

Change-Id: I0a7c112fd5d13c25c644ae86fe3930df5bbfb215