This task comes from piman@ shareable image design doc (https://docs.google.com/document/d/12qYPeN819JkdNGbPcKBA0rfPXSOIE3aIaQVrAZ4I1lM).

StreamTextureFactory: Android-specific, old pre-AVDA path, but still used on blacklisted devices and for HLS (https://en.wikipedia.org/wiki/HTTP_Live_Streaming --- won’t go away). GLImage under the hood with special IPC to update, can likely be expressed in terms of shareable images, but exact details TBD