Move LockCheck to Utilities

src/Tasks/Microsoft.Build.Tasks.csproj

@@ -251,7 +251,6 @@
     <Compile Include="LC.cs" />
     <Compile Include="ListOperators\FindUnderPath.cs" />
     <Compile Include="ListOperators\RemoveDuplicates.cs" />
-    <Compile Include="LockCheck.cs" />
     <Compile Include="MakeDir.cs" />
     <Compile Include="ManifestUtil\*.cs" Exclude="ManifestUtil\CngLightup.cs" />
     <Compile Include="Message.cs" />

src/Tasks/Resources/Strings.resx

@@ -275,11 +275,11 @@
   </data>
   <data name="Copy.Retrying">
     <value>MSB3026: Could not copy "{0}" to "{1}". Beginning retry {2} in {3}ms. {4} {5}</value>
-    <comment>{StrBegin="MSB3026: "} LOCALIZATION: {0} and {1} are paths. {2} and {3} are numbers. {4} is an optional localized message. {5} is either empty or a string from Copy.FileLocked ("The file is locked by: "{0}"")</comment>
+    <comment>{StrBegin="MSB3026: "} LOCALIZATION: {0} and {1} are paths. {2} and {3} are numbers. {4} is an optional localized message. {5} is either empty or a string from Utilities LockCheck.FileLocked ("The file is locked by: "{0}"")</comment>
   </data>
   <data name="Copy.ExceededRetries">
     <value>MSB3027: Could not copy "{0}" to "{1}". Exceeded retry count of {2}. Failed. {3}</value>
-    <comment>{StrBegin="MSB3027: "} LOCALIZATION: {0} and {1} are paths. {2} is a number. {3} is either empty or a string from Copy.FileLocked ("The file is locked by: "{0}"")</comment>
+    <comment>{StrBegin="MSB3027: "} LOCALIZATION: {0} and {1} are paths. {2} is a number. {3} is either empty or a string from Utilities LockCheck.FileLocked ("The file is locked by: "{0}"")</comment>
   </data>
   <data name="Copy.InvalidRetryCount">
     <value>MSB3028: {0} is an invalid retry count. Value must not be negative.</value>
@@ -293,9 +293,6 @@
     <value>MSB3030: Could not copy the file "{0}" because it was not found.</value>
     <comment>{StrBegin="MSB3030: "} LOCALIZATION: {0} is a number.</comment>
   </data>
-  <data name="Task.FileLocked">
-    <value>The file is locked by: "{0}"</value>
-  </data>
 
   <!--
         The CreateItem message bucket is: MSB3031 - MSB3040