Skip slot 2 for other radio modules in single sim mode am: c6a7143b am:...

Skip slot 2 for other radio modules in single sim mode am: c6a7143b am: c8bf2210 am: 64ad3283 am: 8f5badb1 am: bd9e6650

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/15953283

Change-Id: I87791a5a2faec889485d314cc11820d93d52a4dc