[iOS GPU] Add the reset of binary ops (#53950)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/53950
Add four binary ops to Metal
- `aten::mul_`
- `aten::sub_`
- `aten::div`
- `aten::div_`
ghstack-source-id: 123850577
Test Plan:
- `buck test pp-mac`
```
2021-03-11 20:36:47.151139-0800 PyTorchPlayground[8469:5169786] [bool test_sub()],[5 3 167 222 ],[SUCCEED]
2021-03-11 20:36:47.157638-0800 PyTorchPlayground[8469:5169786] [bool test_sub_broadcast()],[1 3 1 1 ],[SUCCEED]
2021-03-11 20:36:47.170640-0800 PyTorchPlayground[8469:5169786] [bool test_sub_broadcast2()],[3 3 192 192 ],[SUCCEED]
2021-03-11 20:36:47.194009-0800 PyTorchPlayground[8469:5169786] [bool test_mul()],[2 7 262 119 ],[SUCCEED]
2021-03-11 20:36:47.210344-0800 PyTorchPlayground[8469:5169786] [bool test_mul_broadcast()],[4 3 192 192 ],[SUCCEED]
2021-03-11 20:36:47.216610-0800 PyTorchPlayground[8469:5169786] [bool test_mul_broadcast2()],[1 3 192 192 ],[SUCCEED]
2021-03-11 20:36:47.224471-0800 PyTorchPlayground[8469:5169786] [bool test_div()],[1 3 192 192 ],[SUCCEED]
2021-03-11 20:36:47.240817-0800 PyTorchPlayground[8469:5169786] [bool test_div_broadcast()],[4 3 192 192 ],[SUCCEED]
2021-03-11 20:36:47.246816-0800 PyTorchPlayground[8469:5169786] [bool test_div_broadcast2()],[1 3 192 192 ],[SUCCEED]
```
Reviewed By: SS-JIA
Differential Revision: D27003417
fbshipit-source-id: 290f7e524eef4c444f8884fc1315151752e5ac31
