java: Fix two incorrent uses of AppBlessingFromContext

This issues were pointed by sadovsky@ in the comments to
https://v.io/c/23022/8.

Change-Id: I648079b722dee6e868e1f33cb7cf658a89cfc6e5
diff --git a/syncbase/src/main/java/io/v/syncbase/core/Database.java b/syncbase/src/main/java/io/v/syncbase/core/Database.java
index 61f8ca2..21a7600 100644
--- a/syncbase/src/main/java/io/v/syncbase/core/Database.java
+++ b/syncbase/src/main/java/io/v/syncbase/core/Database.java
@@ -38,7 +38,7 @@
     }
 
     public Syncgroup syncgroup(String name) throws VError {
-        return syncgroup(new Id(io.v.syncbase.internal.Blessings.AppBlessingFromContext(), name));
+        return syncgroup(new Id(io.v.syncbase.internal.Blessings.UserBlessingFromContext(), name));
     }
 
     public Syncgroup syncgroup(Id id) {
diff --git a/syncbase/src/main/java/io/v/syncbase/core/DatabaseHandle.java b/syncbase/src/main/java/io/v/syncbase/core/DatabaseHandle.java
index c57a119..2193a3a 100644
--- a/syncbase/src/main/java/io/v/syncbase/core/DatabaseHandle.java
+++ b/syncbase/src/main/java/io/v/syncbase/core/DatabaseHandle.java
@@ -20,7 +20,7 @@
     }
 
     public Collection collection(String name) throws VError {
-        return collection(new Id(io.v.syncbase.internal.Blessings.AppBlessingFromContext(), name));
+        return collection(new Id(io.v.syncbase.internal.Blessings.UserBlessingFromContext(), name));
     }
 
     public Collection collection(Id id) {