Point revision to refs/tags/gradle_0.14.0

Change-Id: I412bd5cc644751bbb8f406f23a35aebf3dc26ee2
diff --git a/default.xml b/default.xml
index c50c677..3fee626 100644
--- a/default.xml
+++ b/default.xml
@@ -2,7 +2,7 @@
 <manifest>
 
   <remote fetch=".." name="aosp" review="https://android-review.googlesource.com/" />
-  <default remote="aosp" revision="gradle_0.14.0" sync-j="4" />
+  <default remote="aosp" revision="refs/tags/gradle_0.14.0" sync-j="4" />
 
   <project name="platform/tools/buildSrc" path="tools/buildSrc">
     <copyfile dest="tools/build.gradle" src="base/build.gradle" />