Merge "Refresh Android.bp, cargo2android.json, TEST_MAPPING." am: f1974bd83d am: 29922446fc am: fcebff5e31 am: 2264ef4577

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/futures-channel/+/1912454

Change-Id: I18ac570d23a5cc69d61e4b45a691044bfb3a2757