Add minBufferTime to manifest
Add minBufferTime to manifest

This is needed by both the DASH parser and the StreamingEngine.

Change-Id: I7458cbc9f9ee7c4d646e1c491f3966c0012d7bf3

vimond/shaka-player,tvoli/shaka-player,Ross-cz/shaka-player,ustudio/shaka-player,shaka-project/shaka-player,shaka-project/shaka-player,tvoli/shaka-player,TheModMaker/shaka-player,shaka-project/shaka-player,TobbeEdgeware/shaka-player,indiereign/shaka-player,Ross-cz/shaka-player,ustudio/shaka-player,baconz/shaka-player,tvoli/shaka-player,cmgrecu/shaka-player,russitto/shaka-player,indiereign/shaka-player,vimond/shaka-player,brightcove/shaka-player,ustudio/shaka-player,TheModMaker/shaka-player,vimond/shaka-player,brightcove/shaka-player,TheModMaker/shaka-player,russitto/shaka-player,russitto/shaka-player,tvoli/shaka-player,TobbeEdgeware/shaka-player,baconz/shaka-player,TobbeEdgeware/shaka-player,cmgrecu/shaka-player,shaka-project/shaka-player,brightcove/shaka-player,indiereign/shaka-player,baconz/shaka-player,cmgrecu/shaka-player,TheModMaker/shaka-player,ustudio/shaka-player,Ross-cz/shaka-player