Merge "Autogenerate toString for networkstack/ipmemorystore parcelables." am: 6765f8dddf am: d3c6e848b3

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/1502394

Change-Id: If2a5f978dcdbb56a2c10d718b2a9515f95502164