adjust armv7 optimizations for the 16bit big DUP logic based on the 32 bit logic
disable a few MaxvidEncodeTests tests on device since they can consume lots of memory and crash, add new MaxvidEncodeDecodeTests module that both encodes and then decodes the encoded result, add constant checks in the decoder module
add 16 BPP DUP 2 word alignment check, add fixme notes to asm
add extensive DUP small regression tests for 16 and 32 BPP modes