[automerger skipped] Merge "Partial cherry-pick to remove IoUtils#deleteContents usage in FrameworksNetTests" into sc-dev am: e4132c8ca0 -s ours am: f898bfefee -s ours

am skip reason: Merged-In I5366e1cc9cd6ddb41f24718246381cc2b1cc1383 with SHA-1 fe20e1317d is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/15108481

Change-Id: Ia73304d2bb63ad0f2edcd09b4396c262a8e61e48