VT: do not remove a rx session even if ECONNREFUSED occurred. am: a261106c95 am: fbdfa069b6 am: de79d2691f am: 92f8ec1a9e

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

Change-Id: Ib1a3141a001db695fcd035f7d7db81f422db320d