Update the IntelliJ plugin to 1.7.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=228710113

idea_plugin/build.gradle

diff --git a/idea_plugin/build.gradle b/idea_plugin/build.gradle
index 2a80496..8ad3409 100644
--- a/idea_plugin/build.gradle
+++ b/idea_plugin/build.gradle
@@ -23,7 +23,7 @@
 }
 
 ext {
-  googleJavaFormatVersion = '1.6'
+  googleJavaFormatVersion = '1.7'
 }
 
 apply plugin: 'org.jetbrains.intellij'
@@ -32,13 +32,13 @@
 intellij {
   pluginName = "google-java-format"
   updateSinceUntilBuild = true
-  version = "IC-183.2940.10"
+  version = "2018.3.2"
 }
 
 patchPluginXml {
   pluginDescription = "Formats source code using the google-java-format tool. This version of " +
                       "the plugin uses version ${googleJavaFormatVersion} of the tool."
-  version = "${googleJavaFormatVersion}.2"
+  version = "${googleJavaFormatVersion}.0.0"
   sinceBuild = '173'
 }
 

idea_plugin/resources/META-INF/plugin.xml

diff --git a/idea_plugin/resources/META-INF/plugin.xml b/idea_plugin/resources/META-INF/plugin.xml
index 41c0369..0975184 100644
--- a/idea_plugin/resources/META-INF/plugin.xml
+++ b/idea_plugin/resources/META-INF/plugin.xml
@@ -12,6 +12,8 @@
 
   <change-notes><![CDATA[
     <dl>
+      <dt>1.7.0.0</dt>
+      <dd>Upgraded to google-java-format 1.7.</dd>
       <dt>1.6.2</dt>
       <dd>Add support for 2018.3 IDEs.</dd>
       <dt>1.6.1</dt>