Update CoreClr, CoreFx to servicing-28928-01, servicing-28928-04, respectively (#28050)

Author: dotnet-maestro-bot

ILAsmVersion.txt

@@ -1 +1 @@
-2.1.17-servicing-28619-01
+2.1.19-servicing-28928-01

dependencies.props

@@ -23,18 +23,18 @@
 
   <!-- Source of truth for dependency tooling: the commit hash of the dotnet/versions master branch as of the last auto-upgrade. -->
   <PropertyGroup>
-    <CoreFxCurrentRef>82e9b05d8fcd2b649f90a6291f78b40e734f3b74</CoreFxCurrentRef>
-    <CoreClrCurrentRef>82e9b05d8fcd2b649f90a6291f78b40e734f3b74</CoreClrCurrentRef>
+    <CoreFxCurrentRef>aaadde716917918910882bc57a91157f74898897</CoreFxCurrentRef>
+    <CoreClrCurrentRef>aaadde716917918910882bc57a91157f74898897</CoreClrCurrentRef>
     <BuildToolsCurrentRef>82e9b05d8fcd2b649f90a6291f78b40e734f3b74</BuildToolsCurrentRef>
     <PgoDataCurrentRef>ed075a5a9794917dd978c9ad465edd985d7f26d2</PgoDataCurrentRef>
   </PropertyGroup>
 
   <!-- Tests/infrastructure dependency versions. -->
   <PropertyGroup>
-    <MicrosoftPrivateCoreFxNETCoreAppPackageVersion>4.5.0-servicing-28619-01</MicrosoftPrivateCoreFxNETCoreAppPackageVersion>
+    <MicrosoftPrivateCoreFxNETCoreAppPackageVersion>4.5.0-servicing-28928-04</MicrosoftPrivateCoreFxNETCoreAppPackageVersion>
     <MicrosoftNETCorePlatformsPackageVersion>2.1.9</MicrosoftNETCorePlatformsPackageVersion>
     <PgoDataPackageVersion>2.1.0-release-20180912-0055</PgoDataPackageVersion>
-    <MicrosoftNETCoreRuntimeCoreCLRPackageVersion>2.1.17-servicing-28619-01</MicrosoftNETCoreRuntimeCoreCLRPackageVersion>
+    <MicrosoftNETCoreRuntimeCoreCLRPackageVersion>2.1.19-servicing-28928-01</MicrosoftNETCoreRuntimeCoreCLRPackageVersion>
     <XunitPackageVersion>2.2.0-beta2-build3300</XunitPackageVersion>
     <XunitConsoleNetcorePackageVersion>1.0.2-prerelease-00177</XunitConsoleNetcorePackageVersion>
     <XunitPerformanceApiPackageVersion>1.0.0-beta-build0015</XunitPerformanceApiPackageVersion>