Cleanup SFPS indicator code

Prevent duplicate show requests for indicator, ensure stale views remove lottie listeners, ensure overlayView is attached before updating

Flag: NONE
Fixes: 324372928
Fixes: 329434115
Test: (manual) repro steps from above bugs, not seeing reported issue anymore
Change-Id: I33660b853c6f266378e3a9433c933bcd3f2a70a1