[automerger skipped] emulator: setup preferred network mode to 5g(NR) am: 8db232dd34 -s ours

am skip reason: Change-Id I69583d1769739124a51355ff8b887e727ba61df8 with SHA-1 2e90b7b031 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/development/+/11745940

Change-Id: Ifd729466c2b77c790f7c8a57fc506d8be25f0677