Fix dialog pop up when click disabled battery saver tile

An remind dialog will pop up when click disabled battery saver
tile. Add a state check on handleClick, if state is UNAVAILABLE,
just not handle this click.

Fixes: 80116932
Test: atest and manual
Change-Id: I57296f9dc2eaeb83fc94aa4d8a21f4bf03be57dd
1 file changed