Reset keyboard shift lock state when new keyboard is ready

Bug: 5099761
Change-Id: I00ad796ea43a07ae13e71224b7a081ee2f160f1a

java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java

@@ -364,6 +364,7 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
         }
 
         keyboard.onAutoCorrectionStateChanged(mIsAutoCorrectionActive);
+        keyboard.setShiftLocked(false);
         keyboard.setShifted(false);
         // If the cached keyboard had been switched to another keyboard while the language was
         // displayed on its spacebar, it might have had arbitrary text fade factor. In such case,