ignore spotbugs alert in deprecated file.

Author: littleaj

core/spotbugs.exclude.xml

@@ -184,6 +184,11 @@
             </And>
         </Or>
     </Match>
+    <Match>
+        <Bug pattern="DMI_HARDCODED_ABSOLUTE_FILENAME" />
+        <Class name="com.microsoft.applicationinsights.extensibility.initializer.docker.DockerContextInitializer" />
+        <Method name="&lt;init&gt;" />
+    </Match>
     <Match>
         <!-- These rules are fine to skip. -->
         <Or>