[automerger skipped] KeyUtil: don't use keepOld=true for system DE and volume keys am: 2c9d6d6675 -s ours am: e4bf57a6d3 -s ours

am skip reason: Change-Id I42d3f5fbe32cb2ec229f4b614cfb271412a3ed29 with SHA-1 c493903732 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/vold/+/12971598

Change-Id: Id0992059969480e9e15d14c77fc04f1d55c9cfc8