message: Optimize the three band filter bank.
  Reducing pointer following. This will allow the compiler to optimize more efficiently with the "-fno-strict-aliasing" flag.
  Cr-Commit-Position: refs/heads/main@{#35548}
diff: @@ -211,8 +211,9 @@ void ThreeBandFilterBank::Analysis(
  // Band and modulate the output.
  for (int band = 0; band < ThreeBandFilterBank::kNumBands; ++band) {
  + float* out_band = out[band].data();
  for (int n = 0; n < kSplitBandSize; ++n) {
  - out[band][n] += dct_modulation[band] * out_subsampled[n];
  + out_band[n] += dct_modulation[band] * out_subsampled[n];
  }
  }
  }
  @@ -254,8 +255,9 @@ void ThreeBandFilterBank::Synthesis(
  std::fill(in_subsampled.begin(), in_subsampled.end(), 0.f);
  for (int band = 0; band < ThreeBandFilterBank::kNumBands; ++band) {
  RTC_DCHECK_EQ(in[band].size(), kSplitBandSize);
  + const float* in_band = in[band].data();
  for (int n = 0; n < kSplitBandSize; ++n) {
  - in_subsampled[n] += dct_modulation[band] * in[band][n];
  + in_subsampled[n] += dct_modulation[band] * in_band[n];
  }
  }
  