b3aa96f89f
* Remove existing coloured background. * Add a background with a layout that includes a badged icon of the app being opened. Manual testing steps: * Set up device with a work profile using TestDPC * Set a fingerprint in the work profile * Open a work app * Lock the device * Verify the background protection is shown behind the biometric prompt Screenshots: * Dark mode: https://screenshot.googleplex.com/3SwGWrBREYoZFaH * Light mode: https://screenshot.googleplex.com/8bzX9wLoFGJ2ado Bug: 206761107 Test: Manual testing WorkLockActivityControllerTest TaskStackListenerImplTest Change-Id: I90d117a97d7457a3186953c16db8bd0bbac048ed