1. Change card_background to default background color. In settings
light theme, background color is exactly the #fafafa
2. Change card_background_grey to colorSecondary, which is
material_grey_200 in settings light theme.
Bug: 36139640
Test: Screenshot
Change-Id: I20081e768985ce6c0b9000448ae48599f18b293a
Fixes: 29999181
Fixes: 29397123
- Reduce support tile min height to 48dp.
- Add a 8dp spacer between escalation card and first support tile.
- Show different off-hour support escalation title when support hour is
always avaiable.
Change-Id: I4dacf2b375734c4819b9b19b68fc84faf083c0d4