Adding Tests for CadenceDefaultQuantizer

[RahulC7]

Summary: As title. Note in the next diff, we finish off testing this, we don't test all the patterns in this diff, because some changes need to be made.

Reviewed By: hsharma35

Differential Revision: D88899457

[pytorch-bot]

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• periodic / gather-models (gh)

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• pull / android / run-emulator (gh) (#16137)
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[Copilot]

Pull request overview

This PR adds comprehensive test coverage for CadenceDefaultQuantizer and several other previously untested quantizers, removing them from the EXCLUDED_FROM_ANNOTATION_TESTING set.

Key changes:

• Adds 10 new test cases covering CadenceDefaultQuantizer operations (matmul, linear, conv1d, conv2d, bmm, relu) and other quantizers (softmax, layer_norm, add)
• Removes 5 quantizers from the exclusion list: CadenceDefaultQuantizer, CadenceWakeWordQuantizer, CadenceWith16BitConvActivationsQuantizer, CadenceWithLayerNormQuantizer, and CadenceWithSoftmaxQuantizer
• Implements 7 new graph builder helper methods to support the new test cases

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