added gradle plugin 1.2.0-alpha1

Change-Id: I6b454eaacabda3c4b67348df19fb0f9c91c50813
diff --git a/com/android/tools/build/gradle/maven-metadata.xml b/com/android/tools/build/gradle/maven-metadata.xml
index eff59f3..21794ba 100644
--- a/com/android/tools/build/gradle/maven-metadata.xml
+++ b/com/android/tools/build/gradle/maven-metadata.xml
@@ -29,7 +29,8 @@
       <version>1.0.0-rc4</version>
       <version>1.0.0</version>
       <version>1.1.0</version>
+      <version>1.2.0-alpha1</version>
     </versions>
-    <lastUpdated>20150218171913</lastUpdated>
+    <lastUpdated>20150317211706</lastUpdated>
   </versioning>
 </metadata>