Merge "Limit mp4 atom size to something reasonable" into klp-dev am: 9af51c59dc am: 3fb9e5b7cb am: 085a4173eb am: b617cbed2d am: f5b8755f18 am: 7d5774b0ea am: 9668a1012a am: b87e75a6bf am: 61b8e13fdd
am: f160b4781a

Change-Id: I65808a5163b48099bb2fe530c37eaa65f67654a8