Remove bad assumptions about how bazel works

Author: David Haxton

src/java/io/bazel/rulesscala/coverage/instrumenter/JacocoInstrumenter.java

@@ -70,6 +70,11 @@ private void processArg(Instrumenter jacoco, String arg) throws Exception {
                     throw new RuntimeException(e);
                 }
             });
+
+            Files.write(
+                outFS.getPath("-paths-for-coverage.txt"),
+                srcs.replace(",", "\n").getBytes(java.nio.charset.StandardCharsets.UTF_8)
+            );
         }
     }
 
@@ -99,13 +104,6 @@ private FileVisitResult actuallyVisitFile(Path inPath, BasicFileAttributes attrs
                 } else {
                     Files.copy(inPath, outPath);
                 }
-
-                if(outPath.toString().endsWith(".class")) { 
-                    Files.write(
-                        outFS.getPath((outPath.toString() + "-paths-for-coverage.txt")),
-                        srcs.replace(",", "\n").getBytes(java.nio.charset.StandardCharsets.UTF_8)
-                    );
-                }
                 return FileVisitResult.CONTINUE;
             }
         };