Fixed animation for legacy devices and when not always on

We were always animating the pulsing before, even if the
device didn't support this properly or if the device wasn't
always on. This also fixed the wake-up animation for these
devices.

Fixes: 129015862
Fixes: 128636045
Test: atest SystemUITests
Change-Id: Iadc562ed0195c69c69feff70e6a7ed9d0689cf4a