Bump version of WebRTC to 106.5249.0

Signed-off-by: Tim Krüger <t@timkrueger.me>

app/build.gradle

@@ -154,7 +154,7 @@ ext {
     espressoVersion = "3.4.0"
 }
 
-def webRtcVersion = "96.4664.0"
+def webRtcVersion = "106.5249.0"
 tasks.register('downloadWebRtc', DownloadWebRtcTask){
     version = webRtcVersion
 }