Memory allocations are now done based on contents of SPS
API changed to move allocations inside the library
Also changed strlen to strnlen
Bug: 24221026
Change-Id: I9130457f564cddb4da7ec6399cc9fe88ee871217
Fixed the following bugs
Issue 21145276
Issue 21144884
Issue 21181133
Issue 21181134
Decoder now returns error if the level in stream is higher than level at init
Change-Id: I8892c62bd98f7854d046510330c05a1e9ca826b2