Merge "Refresh Android.bp, cargo2android.json, TEST_MAPPING." am: 4be8607c62 am: 2e531088a9 am: 12248a1cda am: cdcdcf6d7e

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/which/+/1912836

Change-Id: I64ec07f6c8f507ef44616409a7f8e2532f6cc672