Fix qualcomm passes

Summary: A new pass is added after #5920

Differential Revision: D64190781

Author: cccclai

backends/qualcomm/passes/expand_broadcast_tensor_shape.py renamed to backends/qualcomm/_passes/expand_broadcast_tensor_shape.py

@@ -47,7 +47,7 @@
     QNN_TENSOR_TYPE_MAP,
 )
 from executorch.backends.qualcomm.builders.qnn_constants import OpContextLoader
-from executorch.backends.qualcomm.passes.expand_broadcast_tensor_shape import (
+from executorch.backends.qualcomm._passes.expand_broadcast_tensor_shape import (
     ExpandBroadcastTensorShape,
 )
 from executorch.backends.qualcomm.serialization.qnn_compile_spec_schema import (

backends/qualcomm/utils/utils.py

@@ -20,3 +20,11 @@ runtime.python_binary(
         "//executorch/extension/export_util:export_util",
     ],
 )
+
+runtime.command_alias(
+    name = "export_example_qnn",
+    env = {
+        "LD_LIBRARY_PATH": "$(location fbsource//third-party/qualcomm/qnn/qnn-2.25:qnn_offline_compile_libs)",
+    },
+    exe = ":export_example",
+)