Merge "mksh: fix ulimit." am: bc57fc9617

Original change: https://android-review.googlesource.com/c/platform/external/mksh/+/2585945

Change-Id: Ifea2c7e7105cbc6688738d5c39f9ad69761d3589
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>