Merge "selinux: remove last slash in CE dirs macro" am: 130aa3e3a5 am: 37501c1cb9 am: 07252c07d7 am: a15fcce79d

Original change: https://android-review.googlesource.com/c/platform/external/selinux/+/1695287

Change-Id: I812e048b518092125edce88c54b3a712b73db438