Ut oh, look at what I just found: Gravitational Waves Discovered at Long Last https://www.quantamagazine.org/20160211-gravitational-waves-discovered-at-long-last/ I decided to check if they had found the graviton yet. I haven't read this yet, but I believe your theory can't stand if the fabric of space-time is not the fabric of space-time-gravity. Gravity, I figure the article will state, travels through space-time similar to other energy waves. I'll know better when I read it later tonight.
Thanks for the link: I've started to read it, though not finished, its seems to be stating what I've been saying.
Article states: My additions are in bold "Gravitational waves are perhaps the most elusive prediction of Einstein’s theory, one that he and his contemporaries debated for decades. According to his theory, space and time form a stretchy fabric that bends under heavy objects, and to feel gravity is to fall along the fabric’s curves.To feel gravity is to fall through the fabric's stretched space. But can the “space-time” fabric ripple like the skin of a drum? Einstein flip-flopped, confused as to what his equations implied. But even steadfast believers assumed that, in any case, gravitational waves would be too weak to observe. They cascade outward from certain cataclysmic events, alternately stretching and squeezing space-time as they go. But by the time the waves reach Earth from these remote sources, they typically stretch and squeeze each mile of space by a minuscule fraction of the width of an atomic nucleus." - End Quote Therefore all a gravitational wave is a wave of alternately stretching and squeezing space time. The entire article is just stating that this phenomenon has finally been observed through this LIGO observatory.