Hook up real compose uri for gmail.

Change-Id: I0273ce0f7270807de6ca325503c5b8a1339b3eae
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 92a427a..8e0a831 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -76,6 +76,7 @@
 
         <service android:name=".providers.protos.boot.GmailAccountService"/>
         <service android:name=".providers.protos.boot.EmailAccountService"/>
+        <service android:name=".compose.EmptyService"/>
     </application>
 
 </manifest>