Add FP16 and I64 support for wasi-nn WinML backend. (bytecodealliance#8964)

* Add FP16 and I64 support for wasi-nn WinML backend.

Some devices may not support FP32.

prtest:full

* Remove unnecessary features.

* Address comments.

* Check alignment before from_raw_parts.

* Implement PartialEq for Tensor.

* Remove duplicated shape info from set_input.

* Update alignment checker.

* Add comments about creating TensorFloat16Bit from f32 array.

* Use PartialEq attribute.

* Audit new WinML dependencies

---------

Co-authored-by: Andrew Brown <[email protected]>

Author: jianjunz

Cargo.lock

@@ -40,7 +40,13 @@ ort = { version = "2.0.0-rc.2", default-features = false, features = [
 
 [target.'cfg(windows)'.dependencies.windows]
 version = "0.52"
-features = ["AI_MachineLearning", "Storage_Streams", "Foundation_Collections"]
+features = [
+    "AI_MachineLearning",
+    "Storage_Streams",
+    "Foundation_Collections",
+    # For getting IVectorView<i64> from tensor.dimensions.
+    "implement",
+]
 optional = true
 
 [build-dependencies]