Merge "Refresh Android.bp, cargo2android.json, TEST_MAPPING." am: f179e1ccbe am: 76cd8448f5 am: 4866e5e418 am: 473c56b36e

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/libm/+/1912438

Change-Id: Ie67548d05da2ce0604df29463c4b9b039ccc65bb