Add initial c2a configuration. am: e2e52f614e am: e8e0dd1cea am: 4850ef02e0

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/pathdiff/+/2638953

Change-Id: I4e8bc74512116bf630baa10c663c6918a0604039
Signed-off-by: Automerger Merge Worker <[email protected]>