Update changelog for v2.3.5
Update changelog for v2.3.5

Change-Id: I095dcb1c5968c58258add3ba3c2aaf3cc66ac45e

TheModMaker/shaka-player,shaka-project/shaka-player,TheModMaker/shaka-player,TheModMaker/shaka-player,shaka-project/shaka-player,tvoli/shaka-player,shaka-project/shaka-player,tvoli/shaka-player,tvoli/shaka-player,TheModMaker/shaka-player,tvoli/shaka-player,shaka-project/shaka-player