Merge "Refresh Android.bp, cargo2android.json, TEST_MAPPING." am: f021041ae9 am: b786a15fd1 am: d7bc173feb am: e464adb736

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/cast/+/1912046

Change-Id: I5357dda3805045efdfa89278ed629b96e8e4456c