Bumping Emulator image version number for Beta3 am: 3dd798ae0f am: 1bd941de87 am: d54a497140 am: 3d022035f7

Original change: https://googleplex-android-review.googlesource.com/c/platform/development/+/12098932

Change-Id: I46cc0a20dbf4ec68ad8a7f59c787926a9ae861d0