Allow forcing status bar state changes and do so when the screen turns off.

This adds a force flag, which we will use when turning the screen off to make sure that all UI components are reset to the SHADE state regardless.

Bug: 189575031
Test: make a call; lock screen; pull down shade
Merged-In: I79baeb71ac5d1ed45602ac55cdca996b3bed0ac3
Change-Id: I79baeb71ac5d1ed45602ac55cdca996b3bed0ac3