[automerger skipped] Merge "Move IoUtils#deleteContents from CorePlatformApi...

[automerger skipped] Merge "Move IoUtils#deleteContents from CorePlatformApi set to framework" into sc-dev am: 99503ca1 -s ours

am skip reason: Merged-In If7037029026b6753ab64be09aa52c40e04d5c7b1 with SHA-1 87e96246 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15016191

Change-Id: I91367e3a45323b83cbe42d5d3590a286554a3ebb