Cleanup cargo2android configs and patches am: aa983b1377

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/pin-project-internal/+/2750945

Change-Id: Icd2ac69858e8eba9f766988411b8fc05e11adf5e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>