configure: move bitstream_debug out of the exp list
configure: move bitstream_debug out of the exp list

and to CONFIG_LIST + CMDLINE_SELECT. the experiment list should now
match cmake

Change-Id: I724d35b3a16ed5c641207525949093bc0caf4a49

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