sbox: fix typo when comparing files am: fa8e9cc3 am: 898ed6d7 am: 146bba07 am: 88235268

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2063167



Change-Id: I80992b12961522371f54db508bcadc55da945922
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>