VT: do not remove a rx session even if ECONNREFUSED occurred. am: a261106c am: fbdfa069 am: 5c6514ca am: d358183b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/15683957

Change-Id: I337c857ba8f125c726ff3b46479d88507972da91