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

[automerger skipped] Merge "Move IoUtils#deleteContents from CorePlatformApi set to framework" into sc-dev am: 99503ca1 am: 9cb35514 -s ours

am skip reason: Merged-In If7037029026b6753ab64be09aa52c40e04d5c7b1 with SHA-1 6764e97f is already in history

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

Change-Id: I5649e58d5b933929f52ce3993cfce526631f0ff2