temp trial of cria pybindings (#16348)

Summary:
Pull Request resolved: #16348

Move actual pybindings to xplat to allow for running on mac or devserver

Reviewed By: JacobSzwejbka

Differential Revision: D89434480

Author: kimishpatel

kernels/optimized/lib_defs.bzl

@@ -204,6 +204,11 @@ def define_libs(is_fbcode=False):
             exported_headers = native.glob([
                 "blas/**/*.h",
             ]),
+            exported_linker_flags = select({
+                "DEFAULT": [],
+                "ovr_config//os:macos-arm64": ["-framework", "Accelerate"],
+                "ovr_config//os:macos-x86_64": ["-framework", "Accelerate"],
+            }),
             compiler_flags = ["-Wno-pass-failed"] + select({
                 "ovr_config//runtime:fbcode": [],
                 # TODO: replace with get_compiler_optimization_flags from op_registration_util.bzl when that