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
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:7d42eee84854172a7f6c0c9d3ae6c5b48ce4add5)
Merged-In: I33660b853c6f266378e3a9433c933bcd3f2a70a1
Change-Id: I33660b853c6f266378e3a9433c933bcd3f2a70a1