Fix bug #10462461 CTS TimePickerTest are broken for testSetOnTimeChangedListener()

- be aware that getCurrentHour() value can vary with "mIs24HourView"
- so force no notification of onTimeChanged() for setCurrentHour() when
we are just changing 12h/24h view

Change-Id: I358eda29cf0c66a811cde494136d7cfc27fca39f
1 file changed