Merge "Refresh Android.bp, cargo2android.json, TEST_MAPPING." am: e433916950 am: 27c7e149fd am: 90de851632 am: a8cc19dcbb

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/bstr/+/1912479

Change-Id: I1eef097419ee8daefe67cc8274dfa842d8877db0