Merge "Refresh Android.bp, cargo2android.json, TEST_MAPPING." am: 0d5e3d854b am: b88ec5acf3 am: 8e740021da

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/itoa/+/1912499

Change-Id: Ib2fe57e903a4ca5a6b305d82ff9f595a26e2cfd8