AI 147226: Create symbols and shifted symbols keyboards when initializing KeyboardSwitcher.

Automated import of CL 147226
diff --git a/src/com/android/inputmethod/latin/KeyboardSwitcher.java b/src/com/android/inputmethod/latin/KeyboardSwitcher.java
index 187401a..5206752 100644
--- a/src/com/android/inputmethod/latin/KeyboardSwitcher.java
+++ b/src/com/android/inputmethod/latin/KeyboardSwitcher.java
@@ -72,6 +72,8 @@
         if (displayWidth == mLastDisplayWidth) return;
         mLastDisplayWidth = displayWidth;
         mKeyboards.clear();
+        mSymbolsId = new KeyboardId(R.xml.kbd_symbols);
+        mSymbolsShiftedId = new KeyboardId(R.xml.kbd_symbols_shift);
     }
 
     /**