Framework for alternate transforms for inter 32x32 and larger based
on dwt-dct hybrid is implemented.
Further experiments are to be condcuted with different
variations of hybrid dct/dwt or plain dwt, as well as super-resolution
mode.
Change-Id: I9a2bf49ba317e7668002cf1499211d7da6fa14ad
This was originally part of change-id:Idef18f90b111a0d0c9546543d3347e551908fd78
but the rest of that patch has previously been incorporated into nextgen
without these tests.
Change-Id: I6ac491ed1cfc153e0ed3cb999c76feac9d5e74e3