If device isn't on the keyguard, always use sfps blue colors

These colors aren't themed so that they will match the edu videos. Make
SideFpsController robust against (mistake) asset color changes
to the lottie sfps_pulse.json and sfps_pulse_landscape.json files.

Test: all rotations for side fps
Fixes: 280430073
Fixes: 282617503
Change-Id: I0b3830a929ca1a83431aaff959bc62501973c6b3