Do not re-inflate footer and empty shade views

These views already have a setTextColor and don't need re-inflation when
the theme changes. Doing so would only degrade performance and
introduced a race condition where the text color would be
desynchronized.

Change-Id: I9351c73cc5f54bc47b7d717f22d4da54350008de
Fixes: 80040614
Test: atest packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarTest.java
Test: set light wallpaper on home and lock screen
Test: set dark wallpaper on home and lock screen
Test: set dark wallpaper on home and light wallpaper on lock screen
Test: change font size in settings app