This patch is a follow up to https://webrtc-review.googlesource.com/c/src/+/172582 and change so that a switch from CELLULAR_X to CELLULAR_Y does not trigger OnNetworkChange. This is needed as the OnNetworkChange signals triggers BasicPortAllocator to rescan all networks and generate new candidates. The actual adapter type change is still possible to react on using SignalTypeChanged. BUG: webrtc:11473 Change-Id: Icc1a945b8a4df1714c6ec4b02ec759ecada92d7f Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/172802 Commit-Queue: Jonas Oreland <jonaso@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/master@{#30992}