[automerger skipped] Style fixes in the external pref64 support. am:...

[automerger skipped] Style fixes in the external pref64 support. am: 35777880 am: b92870d8 -s ours

am skip reason: Change-Id Ifcdb16cc66c9234a2bd5f8aac70be809fe0dd223 with SHA-1 35777880 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/11598145

Change-Id: Ic69a726297b2c2cafc6245e387f2bc772b7967df