Unbreak optimized kernels build (and check it in unittest-buck)

Found a missing buck dep on import to internal repo.

ghstack-source-id: d970722
ghstack-comment-id: 2715647590
Pull Request resolved: #9159

Author: swolchok

.ci/scripts/unittest-buck2.sh

@@ -17,8 +17,10 @@ buck2 query "//backends/apple/... + //backends/example/... + \
 //kernels/optimized/... + //kernels/portable/... + //kernels/quantized/... + \
 //kernels/test/... + //runtime/... + //schema/... + //test/... + //util/..."
 
+UNBUILDABLE_OPTIMIZED_OPS_REGEX="gelu|fft_r2c|log_softmax"
+BUILDABLE_OPTIMIZED_OPS=$(buck2 query //kernels/optimized/cpu/... | grep -E -v $UNBUILDABLE_OPTIMIZED_OPS_REGEX)
 # TODO: expand the covered scope of Buck targets.
 # //runtime/kernel/... is failing because //third-party:torchgen_files's shell script can't find python on PATH.
 # //runtime/test/... requires Python torch, which we don't have in our OSS buck setup.
-buck2 test //kernels/portable/... //runtime/backend/... //runtime/core/... \
+buck2 test $BUILDABLE_OPTIMIZED_OPS //kernels/portable/... //runtime/backend/... //runtime/core/... \
       //runtime/executor: //runtime/kernel/... //runtime/platform/...

kernels/optimized/lib_defs.bzl

@@ -234,6 +234,7 @@ def define_libs(is_fbcode=False):
             exported_deps = [
                 "//executorch/kernels/optimized:libutils",
                 "//executorch/runtime/core/exec_aten:lib",
+                "//executorch/runtime/kernel:thread_parallel_interface",
             ],
             **get_apple_framework_deps_kwargs(is_fbcode),
         )