Update TEST_MAPPING am: 844d99173f am: 86797f846c

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/ppv-lite86/+/2411865

Change-Id: Iaccbc4431dcc716ecc7993dc1dd36f6fb73cdfd5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>