disabling FindBug "ANDROID_EXTERNAL_FILE_ACCESS"

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

findbugs-filter.xml

@@ -9,4 +9,5 @@
         <Class name="~.*\.R\$.*"/>
     </Match>
     <Bug pattern="PATH_TRAVERSAL_IN" />
+    <Bug pattern="ANDROID_EXTERNAL_FILE_ACCESS" />
 </FindBugsFilter>