Update branding to 3.1.2

Author: John Luo

eng/Versions.props

@@ -8,7 +8,7 @@
   <PropertyGroup Label="Version settings">
     <MajorVersion>3</MajorVersion>
     <MinorVersion>1</MinorVersion>
-    <PatchVersion>1</PatchVersion>
+    <PatchVersion>2</PatchVersion>
     <VersionPrefix>$(MajorVersion).$(MinorVersion).$(PatchVersion)</VersionPrefix>
     <PreReleaseVersionLabel>servicing</PreReleaseVersionLabel>
     <AssemblyVersion Condition="'$(IsReferenceAssemblyProject)' != 'true'">$(VersionPrefix).0</AssemblyVersion>