Upgrade emulator to emu-master-dev build 8546606 am: ead58c3962

Original change: https://googleplex-android-review.googlesource.com/c/platform/prebuilts/android-emulator/+/18195108

Change-Id: I6c8fcf777b486f33e1155e2d6d54f341a24c965d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>