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

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



Change-Id: I29e1eddb76556ae88062c8150d69a897f2b8bc26
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>