Merge "Refresh Android.bp, cargo2android.json, TEST_MAPPING." am: 3c69316d95 am: 7edfadee98 am: 72f3e005b9 am: 68cee702f4

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/fnv/+/1912520

Change-Id: Ida14fb6737007553870762914fca97335e60ffd4