Fix the simpler bug in lossless_cast

The full fix to lossless_cast is too complicated to backport

* [vulkan] Fix Vulkan SIMT mappings for GPU loop vars.  (#8259)

* Fix Vulkan SIMT mappings for GPU loop vars. Previous refactoring
accidentally used the fully qualified var name rather than the
categorized vulkan intrinsic name.

* Avoid formatting the GPU kernel to a string for Vulkan (since it's binary SPIR-V needs to remain intact).

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Co-authored-by: Derek Gerstmann <dgerstmann@adobe.com>
Co-authored-by: Steven Johnson <srj@google.com>

* Update CodeGen_Vulkan_Dev.cpp

* [vulkan] Add conform API methods to memory allocator to fix block allocations (#8130)

* Add conform API methods to block and region allocator classes
Override conform requests for Vulkan memory allocator
Cleanup memory requirement constraints for Vulkan
Add conform test cases to block_allocator runtime test.

* Clang format/tidy pas

* Fix unsigned int comparisons

* Clang format pass

* Fix other unsigned int comparisons

* Fix mismatched template types for max()

* Fix whitespace for clang format

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Co-authored-by: Derek Gerstmann <dgerstmann@adobe.com>

* Backport fixes for Vulkan in src/runtime/internal for allocations.

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Co-authored-by: Derek Gerstmann <derek.gerstmann@gmail.com>
Co-authored-by: Derek Gerstmann <dgerstmann@adobe.com>

* Bump Halide version to 17.0.2 on release/17.x

* Update setup.py

* Update HalideRuntime.h