Bump auto-value to match core

3.3 uses version 1.7.4.

Change-Id: I385deddad8bb296e2d9aa0889999a59922b9fe9f

external_plugin_deps.bzl

diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index d574618..3a5ab10 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -1,16 +1,16 @@
 load("//tools/bzl:maven_jar.bzl", "maven_jar")
 
 def external_plugin_deps():
-    AUTO_VALUE_VERSION = "1.7"
+    AUTO_VALUE_VERSION = "1.7.4"
 
     maven_jar(
         name = "auto-value",
         artifact = "com.google.auto.value:auto-value:" + AUTO_VALUE_VERSION,
-        sha1 = "fe8387764ed19460eda4f106849c664f51c07121",
+        sha1 = "6b126cb218af768339e4d6e95a9b0ae41f74e73d",
     )
 
     maven_jar(
         name = "auto-value-annotations",
         artifact = "com.google.auto.value:auto-value-annotations:" + AUTO_VALUE_VERSION,
-        sha1 = "5be124948ebdc7807df68207f35a0f23ce427f29",
+        sha1 = "eff48ed53995db2dadf0456426cc1f8700136f86",
     )

pom.xml

diff --git a/pom.xml b/pom.xml
index 9cf36fd..c66f0cd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
   <properties>
     <Gerrit-ApiType>plugin</Gerrit-ApiType>
     <Gerrit-ApiVersion>${project.version}</Gerrit-ApiVersion>
-    <auto-value.version>1.7</auto-value.version>
+    <auto-value.version>1.7.4</auto-value.version>
   </properties>
 
   <build>