Adding addAll as a whitelist entry to the api checker.
Review by:jlabanca

git-svn-id: https://google-web-toolkit.googlecode.com/svn/releases/1.6@4455 8db76d5a-ed1c-0410-87a9-c151d255dfc7

tools/api-checker/config/gwt15_16userApi.conf

diff --git a/tools/api-checker/config/gwt15_16userApi.conf b/tools/api-checker/config/gwt15_16userApi.conf
index 4c179ec..a5be761 100644
--- a/tools/api-checker/config/gwt15_16userApi.conf
+++ b/tools/api-checker/config/gwt15_16userApi.conf
@@ -96,5 +96,6 @@
 # to be hard. Come back and fix this issue, if more such cases come up. 
 java.lang.StringBuilder::append(Ljava/lang/StringBuffer;) OVERRIDABLE_METHOD_ARGUMENT_TYPE_CHANGE
 com.google.gwt.user.client.ui.Button::Button(Ljava/lang/String;Lcom/google/gwt/user/client/ui/ClickListener;) OVERLOADED_METHOD_CALL
+com.google.gwt.user.client.ui.MultiWordSuggestOracle::addAll(Ljava/util/Collection;) FINAL_ADDED
 com.google.gwt.user.client.ui.ToggleButton::ToggleButton(Lcom/google/gwt/user/client/ui/Image;Lcom/google/gwt/user/client/ui/Image;Lcom/google/gwt/user/client/ui/ClickListener;) OVERLOADED_METHOD_CALL 
 com.google.gwt.user.client.ui.Tree::setImageBase(Ljava/lang/String;) MISSING