### Description
<!-- Describe your changes. -->
This PR supports a build of onnxruntime.xcframework for xros/xrsimulator
for visionos via the build command of
`python3 tools/ci_build/github/apple/build_apple_framework.py --config
Release/Debug
tools/ci_build/github/apple/default_vision_os_framework_build_settings.json`.
For officially include visionos in ios cocoapods package and testing in
CI, would require separate work for upgrading the Xcode version &
upgrade macOS CI agent to macos-13-arm64 or higher.
### Motivation and Context
<!-- - Why is this change required? What problem does it solve?
- If it fixes an open issue, please link to the issue here. -->
visionos support:
https://github.com/microsoft/onnxruntime/discussions/19313
---------
Co-authored-by: rachguo <rachguo@rachguos-Mini.attlocal.net>
Co-authored-by: rachguo <rachguo@rachguos-Mac-mini.local>
* Add iOS test pipeline and a sample app.
* clean up the unused code.
* clean up.
* revert the unknown change
* disable the shared library for iOS.
* add open source notice text.
* ignore the skipped test.
* extract the common ortenv setup
* Enable iOS cross build on MacOS (step#1)
* Changed parallel option
* fixed style issues
* Enable ios arm64 crossbuild on MacOS
* Enable ios arm64 crossbuild on MacOS
* Enable parallel build for xcode
* Fix arm64 function not 4-byte aligned warning
* Rename onnxruntime_ios.cmake to onnxruntime_ios.toolchain.cmake
* change build.py to use the new ios toolchain file name
