Fix enc/dec mismatch in ext-partition and cdef
Fix enc/dec mismatch in ext-partition and cdef

BUG=aomedia:455

Change-Id: I97ecab4f01417734c83a9b8886f145236c9b38a5

GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom