Rename requestKeyboardShortcutsHelper

Per API Council feedback

Bug: 28775576
Change-Id: Ia19668dceb7da2222e9716fcb1caff8d0ee86c41
diff --git a/src/com/android/settings/inputmethod/PhysicalKeyboardFragment.java b/src/com/android/settings/inputmethod/PhysicalKeyboardFragment.java
index de6c699..0117a69 100644
--- a/src/com/android/settings/inputmethod/PhysicalKeyboardFragment.java
+++ b/src/com/android/settings/inputmethod/PhysicalKeyboardFragment.java
@@ -258,7 +258,7 @@
     }
 
     private void toggleKeyboardShortcutsMenu() {
-        getActivity().requestKeyboardShortcutsHelper();
+        getActivity().requestShowKeyboardShortcuts();
     }
 
     private final OnPreferenceChangeListener mShowVirtualKeyboardSwitchPreferenceChangeListener =