Android: Don't check ref count when releasing PeerConnectionInterface

BUG=webrtc:8043

Review-Url: https://codereview.webrtc.org/3010433002
Cr-Original-Commit-Position: refs/heads/master@{#19539}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 7eb4082a666676fc488e7a0be8c753b4bc4ab1fd
1 file changed