Hygiene: Sort and group the initmods in RuntimeLinker
Hygiene: Sort and group the initmods in RuntimeLinker

Former-commit-id: 7c58dee632dc6be0985ba71df255add82c8dd1e3
darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide