Merge "Refresh Android.bp, cargo2android.json, TEST_MAPPING." am: c5221907e5 am: c331235859

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/regex/+/1912795

Change-Id: Id4f2371e96f4d98aa4b999158d7d7ab8c3674e0c