BLD-905: Fix video resizing in Flash mode.

common/lib/xmodule/xmodule/js/fixtures/video.html

...on/lib/xmodule/xmodule/js/fixtures/video_no_captions.html

...on/lib/xmodule/xmodule/js/fixtures/video_yt_multiple.html

common/lib/xmodule/xmodule/js/spec/helper.js

common/lib/xmodule/xmodule/js/spec/video/resizer_spec.js

...n/lib/xmodule/xmodule/js/spec/video/video_control_spec.js

...on/lib/xmodule/xmodule/js/spec/video/video_player_spec.js

common/lib/xmodule/xmodule/js/src/video/00_resizer.js

common/lib/xmodule/xmodule/js/src/video/03_video_player.js