[automerger skipped] Bump NetworkStack to SDK 31 am: 32cea1b2f1 am: 762f47b770 -s ours

am skip reason: Merged-In Ia55598123a5d4432464e9d1b1c637e9e0b58dd8e with SHA-1 71489ae47d is already in history

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/1729699

Change-Id: I84a2e069d9a11d03e56d625d3a4fc9bd7e553164