mm-video: vidc: disable dynamic buffer mode and adaptive playback

Added setprop to disable dynamic buffer mode and adaptive playback
mode and kept is disabled bu default

Change-Id: I05b984199cf5fc932f25dde55317eac7798d46cb
CRs-Fixed: 661260
(cherry picked from commit 5a1e54fb2be3098fdbf141b2a18fba4f08767515)