[automerger skipped] storageproxyd: Retry RPMB request on UNIT ATTENTION am: ab2257ee48 -s ours

am skip reason: Merged-In Ib970e779365bb396756c114684c7f6e56a737ab1 with SHA-1 a9085181af is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/15983377

Change-Id: I91c8474d17e8757a8b76ad25048789ff85135330