Bring back upstream support for no_std in Android am: e2e12f853d am: 320bea9721

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/memoffset/+/2952668

Change-Id: Ic32a5419ab3666bf8f941ce70f80fe1f7fca20a5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>