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

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

Change-Id: I1fc2df46226ef578fd3e41c3519c5366be0e2d36