Migrate libandroidemu to .bp on the guest am: a8f5675d76 am: ae65fdad30 am: ebb903edf5

Original change: https://googleplex-android-review.googlesource.com/c/device/generic/goldfish-opengl/+/11444229

Change-Id: I37c3121dca24566d8493b90bcbe4744522a8efd5