Bump External dependencies.

External/google-plus-ios-sdk/OpenSource/GTL/GTLBatchQuery.h

@@ -28,6 +28,7 @@
   NSMutableDictionary *requestIDMap_;
   BOOL skipAuthorization_;
   NSDictionary *additionalHTTPHeaders_;
+  NSDictionary *urlQueryParameters_;
 }
 
 // Queries included in this batch.  Each query should have a unique requestID.
@@ -42,6 +43,10 @@
 // additionalHTTPHeaders.
 @property (copy) NSDictionary *additionalHTTPHeaders;
 
+// Any URL query parameters to add to the query (useful for debugging with some
+// services).
+@property (copy) NSDictionary *urlQueryParameters;
+
 + (id)batchQuery;
 + (id)batchQueryWithQueries:(NSArray *)array;