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: I829e095d157cbc55b04296aec2a942edd9231a63
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>