Update all home screen widgets size upon workspace inset change

Test: Add a clock widget to the home screen. Then, change the navigation
      gesture. Go to home screen to confirm the clock widget is rendered
      as expected in the portrait. Then, rotate the device to landscape.
      Confirmed the clock widget is rendered correctly in the landscape.
Fix: 202837404
Change-Id: I93b70c53f10c8150131b183defc8baf01e5924a8