Upgrade cpu_features to v0.4.0

Test: None
Change-Id: I35bdb7ab9438c8de0b3c78d6207f89a0fd8400c9
diff --git a/METADATA b/METADATA
index bdad823..13983a6 100644
--- a/METADATA
+++ b/METADATA
@@ -1,7 +1,5 @@
 name: "cpu_features"
-description:
-    "A cross platform C99 library to get CPU features at runtime."
-
+description: "A cross platform C99 library to get CPU features at runtime."
 third_party {
   url {
     type: HOMEPAGE
@@ -11,10 +9,10 @@
     type: GIT
     value: "https://github.com/google/cpu_features.git"
   }
-  version: "v0.3.0"
+  version: "v0.4.0"
   last_upgrade_date {
     year: 2019
     month: 7
-    day: 11
+    day: 12
   }
 }