[pytorch-vulkan] aten::floor_divide (#110785)
Summary:
as title. only tensor_scalar.
this diff does not include the element-wise tensor-tensor operation.
Test Plan:
```
[yipjustin@33167.od ~/fbsource (9cfca7c97)]$ LD_LIBRARY_PATH=third-party/swiftshader/lib/linux-x64/ buck2 run fbcode/mode/dev-nosan //xplat/caffe2:pt_vulkan_api_test_bin -- --gtest_filter="*floor_divide_scalar*"
Watchman fresh instance: new mergebase, cleared graph state, cleared dep files
Buck UI: https://www.internalfb.com/buck2/bcac40be-79af-47c5-bd3f-95c11179aa68
Network: Up: 29MiB Down: 264MiB (reSessionID-2fef8b89-76b0-4496-bb27-b10d42cf7ef4)
Jobs completed: 5196. Time elapsed: 45.9s.
Cache hits: 81%. Commands: 2070 (cached: 1672, remote: 375, local: 23)
BUILD SUCCEEDED
Running main() from third-party/googletest/1.11.0/googletest/googletest/src/gtest_main.cc
Note: Google Test filter = *floor_divide_scalar*
[==========] Running 2 tests from 1 test suite.
[----------] Global test environment set-up.
[----------] 2 tests from VulkanAPITest
[ RUN ] VulkanAPITest.floor_divide_scalar
[ OK ] VulkanAPITest.floor_divide_scalar (150 ms)
[ RUN ] VulkanAPITest.floor_divide_scalar_inplace
[ OK ] VulkanAPITest.floor_divide_scalar_inplace (39 ms)
[----------] 2 tests from VulkanAPITest (189 ms total)
[----------] Global test environment tear-down
[==========] 2 tests from 1 test suite ran. (190 ms total)
[ PASSED ] 2 tests.
```
Differential Revision: D50001740
Pull Request resolved: https://github.com/pytorch/pytorch/pull/110785
Approved by: https://github.com/SS-JIA
