WiFi Slice Polish - Searching for WiFi state

1. Change the font color to be secondary
2. Align the left to the AP list title
3. Update the font for Wi-Fi list to be body font - Roboto regular 14dp

Fixes: 124468947
Test: robotest
Change-Id: I9f41925f7e3938bdf3f444b09eab33d6bf479f57