Sweep Range of L2RegularizerWeight in AveragedPerceptron (dotnet#579)

* Changed range of L2RegularizerWeight parameter in AveragedPerceptron

Author: SolyarA

src/Microsoft.ML.StandardLearners/Standard/Online/AveragedLinear.cs

@@ -36,7 +36,7 @@ public abstract class AveragedLinearArguments : OnlineLinearArguments
 
         [Argument(ArgumentType.AtMostOnce, HelpText = "L2 Regularization Weight", ShortName = "reg", SortOrder = 50)]
         [TGUI(Label = "L2 Regularization Weight")]
-        [TlcModule.SweepableFloatParam("L2RegularizerWeight", 0.0f, 0.5f)]
+        [TlcModule.SweepableFloatParam("L2RegularizerWeight", 0.0f, 0.4f)]
         public Float L2RegularizerWeight = 0;
 
         [Argument(ArgumentType.AtMostOnce, HelpText = "Extra weight given to more recent updates", ShortName = "rg")]

src/Microsoft.ML/CSharpApi.cs

@@ -4193,7 +4193,7 @@ public sealed partial class AveragedPerceptronBinaryClassifier : Microsoft.ML.Ru
             /// <summary>
             /// L2 Regularization Weight
             /// </summary>
-            [TlcModule.SweepableFloatParamAttribute("L2RegularizerWeight", 0f, 0.5f)]
+            [TlcModule.SweepableFloatParamAttribute("L2RegularizerWeight", 0f, 0.4f)]
             public float L2RegularizerWeight { get; set; }
 
             /// <summary>
@@ -8722,7 +8722,7 @@ public sealed partial class OnlineGradientDescentRegressor : Microsoft.ML.Runtim
             /// <summary>
             /// L2 Regularization Weight
             /// </summary>
-            [TlcModule.SweepableFloatParamAttribute("L2RegularizerWeight", 0f, 0.5f)]
+            [TlcModule.SweepableFloatParamAttribute("L2RegularizerWeight", 0f, 0.4f)]
             public float L2RegularizerWeight { get; set; }
 
             /// <summary>

test/BaselineOutput/Common/EntryPoints/core_manifest.json

@@ -4001,7 +4001,7 @@
           "SweepRange": {
             "RangeType": "Float",
             "Min": 0.0,
-            "Max": 0.5
+            "Max": 0.4
           }
         },
         {
@@ -13878,7 +13878,7 @@
           "SweepRange": {
             "RangeType": "Float",
             "Min": 0.0,
-            "Max": 0.5
+            "Max": 0.4
           }
         },
         {