Add isTransientTaskbar as DeviceProfile Builder Property

- Breakout CL part 5
- This is a breakout cl from ag/24272821 to make it more readable and atomic.
- This cl consist of adding isTransientTaskbar as DeviceProfile Builder Poropety
- This cl alos consist a shared pref listener for taskbar pinning to update device profile.

Test: Manual, Visual
Bug: 265170176
Flag: ENABLE_TASKBAR_PINNING
Change-Id: I2ade751ffc8c59bd4b862b56c8ca7eb2aa05b7f2