title: SearchRecentSuggestions.clearHistory() not working
body: <p>I am implementing an Activity with a search bar with autocomplete suggestions which is working fine.</p>
  
  <p>In the settings screen I have an option to "Clear search history" and when the user clicks it, the toast appears indicating everything went well but the search suggestions keep appearing when I search again. </p>
  
  <pre><code>layoutClearHistory.setOnClickListener(new OnClickListener() {
  
              @Override
              public void onClick(View v) {
                  SearchRecentSuggestions suggestions = new SearchRecentSuggestions(SettingsActivity.this,
                          MySuggestionProvider.AUTHORITY, MySuggestionProvider.MODE);
                  suggestions.clearHistory();
  
                  Toast.makeText(SettingsActivity.this, R.string.search_history_cleared, Toast.LENGTH_SHORT).show();
              }
          });
  </code></pre>
  
  <p>I followed <a href="http://developer.android.com/guide/topics/search/adding-recent-query-suggestions.html" rel="nofollow">the official android documentation</a> but the autocomplete history keeps appearing. </p>
  
  <p>Any ideas where i could be messing it up? thanks! </p>