Fix the open source google-java-format plugin. It was never enabled on project open.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=155899110
diff --git a/idea_plugin/google-java-format.iml b/idea_plugin/google-java-format.iml
index dfcd8e0..85f42a6 100644
--- a/idea_plugin/google-java-format.iml
+++ b/idea_plugin/google-java-format.iml
@@ -5,10 +5,11 @@
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/com/google/googlejavaformat/intellij/v2016_3" packagePrefix="com.google.googlejavaformat.intellij.v2016_3" isTestSource="false" />
-      <excludeFolder url="file://$MODULE_DIR$/src/com/google/googlejavaformat/intellij/v2016_2" />
       <sourceFolder url="file://$MODULE_DIR$/resources" type="java-resource" />
       <sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/com/google/googlejavaformat/intellij/v2017_1" isTestSource="false" packagePrefix="com.google.googlejavaformat.intellij" />
+      <excludeFolder url="file://$MODULE_DIR$/src/com/google/googlejavaformat/intellij/v2016_2" />
+      <excludeFolder url="file://$MODULE_DIR$/src/com/google/googlejavaformat/intellij/v2016_3" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />