Merge "better manage buffer for libstagefright_soft_mpeg4enc" into klp-dev am:...

Merge "better manage buffer for libstagefright_soft_mpeg4enc" into klp-dev am: 02157502 am: 5944b611 am: 1a419c7b am: 70a63bdf am: 40833da7 am: 2ad98cf1 am: be560fcb am: b9f302c2 am: 1c1d3116 am: f7350dd9 am: a06d2eb8 am: ce15503b am: 6ff81f00 am: feecaecc am: fde4cbba
am: f0c558d0

Change-Id: I5921a8cda96964ef4f5e7193c1d0f51211a01c53