Update TEST_MAPPING am: bb68c9e927 am: 79843e623d

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/percent-encoding/+/2108564

Change-Id: Id06582d2c2bd32342a31cbef60961029c02f1e12
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>