Upgrade emulator to emu-master-dev build 8311694 am: e617720a53 am: f2f207c5b6 am: 1a78d273b3

Original change: https://android-review.googlesource.com/c/platform/prebuilts/android-emulator/+/2032504

Change-Id: Ifa1937c4d62c8d2d21b7a3c466a186d49a4f72b4