Move rust files together to create the library for fuzzer. am: d4399c09 am:...

Move rust files together to create the library for fuzzer. am: d4399c09 am: 89e16f15 am: 7d218a81 am: 8cfe77bd

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2189616



Change-Id: If12c7f4422189b1b915816fe507d4bf57460e201
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>