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

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

Change-Id: I52fadab97d60f13ab80879b45b2e0777d9ae5597