Skip Image based network-reachability testing when a failiure occurs on Reactive-Native.
Skip Image based network-reachability testing when a failiure occurs on Reactive-Native.

RELNOTES: Fixed WebChannel network stats logging on Reactive-Native.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=231470286

google/closure-library,google/closure-library,lucidsoftware/closure-library,google/closure-library,lucidsoftware/closure-library,lucidsoftware/closure-library,google/closure-library,lucidsoftware/closure-library,google/closure-library