[pytorch-vulkan] aten::.rand_like (#108086)
Summary: Before implementing `aten::.randn_like` as requested (T152843033), I think it worth to extend `aten::rand_like` from existing `aten::uniform`, since they're so similar.
Test Plan:
```
[ttingchulin@6945.od /data/sandcastle/boxes/fbsource (rand_like)]$ LD_LIBRARY_PATH=third-party/swiftshader/lib/linux-x64/ buck run fbcode/mode/dev-nosan //xplat/caffe2:pt_vulkan_api_test_bin -- --gtest_filter="*<test>*" eg. -- --gtest_filter="*rand_like*"
[==========] Running 1 test from 1 test suite.
[----------] Global test environment set-up.
[----------] 1 test from VulkanAPITest
[ RUN ] VulkanAPITest.rand_like
[ OK ] VulkanAPITest.rand_like (136 ms)
[----------] 1 test from VulkanAPITest (136 ms total)
[----------] Global test environment tear-down
[==========] 1 test from 1 test suite ran. (136 ms total)
[ PASSED ] 1 test.
[ttingchulin@6945.od /data/sandcastle/boxes/fbsource (rand_like)]$ LD_LIBRARY_PATH=third-party/swiftshader/lib/linux-x64/ buck run fbcode/mode/dev-nosan //xplat/caffe2:pt_vulkan_api_test_bin -- --gtest_filter="*<test>*" eg. -- --gtest_filter="*uniform*"
Building: finished in 0.1 sec (100%) 329/329 jobs, 0/329 updated
Total time: 0.1 sec
BUILD SUCCEEDED
Running main() from xplat/third-party/gmock/googletest-1.12.1/googletest/src/gtest_main.cc
Note: Google Test filter = *uniform*
[==========] Running 1 test from 1 test suite.
[----------] Global test environment set-up.
[----------] 1 test from VulkanAPITest
[ RUN ] VulkanAPITest.uniform
[ OK ] VulkanAPITest.uniform (131 ms)
[----------] 1 test from VulkanAPITest (131 ms total)
[----------] Global test environment tear-down
[==========] 1 test from 1 test suite ran. (131 ms total)
[ PASSED ] 1 test.
[ttingchulin@6945.od /data/sandcastle/boxes/fbsource (rand_like)]$ LD_LIBRARY_PATH=third-party/swiftshader/lib/linux-x64/ buck run fbcode/mode/dev-nosan //xplat/caffe2:pt_vulkan_api_test_bin
ALL PASS
```
Differential Revision: D48710273
Pull Request resolved: https://github.com/pytorch/pytorch/pull/108086
Approved by: https://github.com/yipjustin