PLBCK-129
Closed captions shown out of order on 608/708 captions.
Cherry picked the following commits to v1.5.8.
- a734fe08fe15898233b9511c7d07bf7272722627
- 288ed30b5faade0d64cc48ae4621816af77b3159
- be5665eccbe93b3e97e6161bc70e48e72df0f5c5
- 4a6a68caa5e2ba7e1e231dae67880aba597f4bca
PLBCK-140 Xbox version only
VOD CCs Stop Working When User Rewinds back To The Beginning of The Program