Update TEST_MAPPING am: aa008e95da am: 19904bb364

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/hashbrown/+/2411795

Change-Id: I7f57cd0a855afd6ab584904c94c270c9615081f2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>