Update the plugin to use google-java-format 1.4.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=167140754
diff --git a/idea_plugin/google-java-format.iml b/idea_plugin/google-java-format.iml
index 01b5b3e..568c04f 100644
--- a/idea_plugin/google-java-format.iml
+++ b/idea_plugin/google-java-format.iml
@@ -7,13 +7,12 @@
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
       <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" />
+      <sourceFolder url="file://$MODULE_DIR$/src/com/google/googlejavaformat/intellij/v2017_2" 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" />
       <excludeFolder url="file://$MODULE_DIR$/src/com/google/googlejavaformat/intellij/v2017_1" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" name="google-java-format-1.3-all-deps" level="project" />
+    <orderEntry type="library" name="google-java-format-1.4-all-deps" level="project" />
   </component>
 </module>