ComputeSpectrumNoiseMeasure conversion + msan fix + wmops optimization

This MR contains:

• ComputeSpectrumNoiseMeasure conversion
• msan fix in stereo_tdm_ener_analysis
• some wmops optimizations

Pipeline results:

• EVS 26.444 BE test passes.

• decoder pytests:
  MLD scores:
  Original inputs: 562 failed, 374 skipped
  MLD > 10: 37
  MLD > 5 : 94
  MLD < 5 : 431
  +10dB inputs: 562 failed, 374 skipped
  MLD > 10: 149
  MLD > 5 : 187
  MLD < 5 : 226
  -10dB inputs: 562 failed, 374 skipped
  MLD > 10: 8
  MLD > 5 : 44
  MLD < 5 : 510

• encoder pytests results:
  MLD scores:
  Original inputs: 562 tests:
  MLD > 10: 15
  MLD > 5 : 47
  MLD < 5 : 500
  +10dB inputs: 562 tests:
  MLD > 10: 47 (45 previously)
  MLD > 5 : 125 (130 previously)
  MLD < 5 : 390 (387 previously)
  -10dB inputs: 562 tests:
  MLD > 10: 5
  MLD > 5 : 21
  MLD < 5 : 536