Merge "Configure rustfmt for preupload hook" am: 3e22bc616b

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2055165

Change-Id: I62354271e4bc5550907c0e2b4cbc006087003731
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>