Fix a bug with webrtcendpoint and filters

Change-Id: Ia08792fcc36df2f3169ec39999d0f789af175787
Configure default branch for gitreview

Change-Id: I4f4589de95e3c982a18965ef521b75e821e14c5c
Prepare release 4.3.7

Change-Id: I803ea0f53657a7d282bdd3e02c3737cb5c499b59