Merge "storaged: Avoid divide-by-zero in performance measurement" into tm-dev am: 190e2bc6

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/18620177



Change-Id: I4489ef2286a2bb197056a0eb922a75ac3e4eadbd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>