Update TF Native code of NN Palm Rejection.

Model desc:
1. Trained with Kohaku, Kohaku-Prev and Basking data. Combined AUC is 0.982
2. Feature Vector Unchanged
3. Model Radius changed in Kohaku for new fw.
4. Eval on held out Kohaku data is 0.988, held out basking 0.976.

Bug: 1095874
Test: Deployed and tested on a kohaku device.
Change-Id: Ia76a6c740dd7f85b8f64b87f0ff170a83196a8f7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2521880
Commit-Queue: Rob Schonberger <robsc@chromium.org>
Reviewed-by: Xinglong Luan <alanlxl@chromium.org>
Cr-Commit-Position: refs/heads/master@{#825041}

ui/events/ozone/evdev/touch_filter/palm_detection_filter_factory.cc

@@ -69,7 +69,7 @@ std::string FetchNeuralPalmRadiusPolynomial(const EventDeviceInfo& devinfo,
   // TODO(robsc): Investigate a better way of doing this configuration.
   std::string release_board = base::SysInfo::GetLsbReleaseBoard();
   if ("hatch" == release_board) {
-    return "0.090477715, 3.9225964";
+    return "0.1010944, 3.51837568";
   } else if ("reef" == release_board) {
     return "0.17889799, 4.22584412";
   }
@@ -91,10 +91,12 @@ std::unique_ptr<PalmDetectionFilter> CreatePalmDetectionFilter(
   if (base::FeatureList::IsEnabled(kEnableNeuralPalmDetectionFilter) &&
       NeuralStylusPalmDetectionFilter::
           CompatibleWithNeuralStylusPalmDetectionFilter(devinfo)) {
-    std::vector<float> radius_polynomial = internal::ParseRadiusPolynomial(
-        internal::FetchNeuralPalmRadiusPolynomial(
-            devinfo, kNeuralPalmRadiusPolynomial.Get()));
-    // Theres only one model right now.
+    std::string polynomial_string = internal::FetchNeuralPalmRadiusPolynomial(
+        devinfo, kNeuralPalmRadiusPolynomial.Get());
+    VLOG(1) << "Will attempt to use radius polynomial: " << polynomial_string;
+    std::vector<float> radius_polynomial =
+        internal::ParseRadiusPolynomial(polynomial_string);
+    // There's only one model right now.
     std::unique_ptr<NeuralStylusPalmDetectionFilterModel> model =
         std::make_unique<OneDeviceTrainNeuralStylusPalmDetectionFilterModel>(
             radius_polynomial);

ui/events/ozone/evdev/touch_filter/palm_detection_filter_factory_unittest.cc

@@ -55,8 +55,8 @@ class PalmDetectionFilterFactoryDeathTest
 TEST_F(PalmDetectionFilterFactoryTest, RadiusesFromLSBRelease) {
   std::string lsb_release = "CHROMEOS_RELEASE_BOARD=hatch\n";
   base::SysInfo::SetChromeOSVersionInfoForTest(lsb_release, base::Time());
-  EXPECT_EQ("0.090477715, 3.9225964", internal::FetchNeuralPalmRadiusPolynomial(
-                                          kohaku_touchscreen_info_, ""));
+  EXPECT_EQ("0.1010944, 3.51837568", internal::FetchNeuralPalmRadiusPolynomial(
+                                         kohaku_touchscreen_info_, ""));
 
   lsb_release = "CHROMEOS_RELEASE_BOARD=reef\n";
   base::SysInfo::SetChromeOSVersionInfoForTest(lsb_release, base::Time());