[automerger skipped] mksh: fix ulimit. am: 55d30846c5 -s ours

am skip reason: Merged-In I89a157db76cd69c2cc2c9e4a8a8c67364a7a6c4b with SHA-1 3c75470b27 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/mksh/+/23169034

Change-Id: I0c848295d88a99b2c8d269af69ff00fbc33df775
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>