fixup input method responder reload

Change-Id: I6a1d7386a0cc13e81db65e59c7e184c76da2cc39
QIOSInputContext: implement isAnimating

Change-Id: Ia85a448b6c49889aab362cdd98de2cb475bc8eec
iOS: Implement support for native menus

Change-Id: I2c7278697499aa046ac7b1240b7bc713ad1fc709