Add FAQ entry about minBufferTime
Add FAQ entry about minBufferTime

Closes #2000

Change-Id: Ic336c681dea0169fe5e7c5ca62f08e3e1b926b25

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