Update TEST_MAPPING am: 8337e4ebcb am: b3cb39f570 am: c78afda5b5

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/url/+/2108565

Change-Id: I40ddb49e5d66affd453b35b5d4af57726557fa4e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>