Merge "TimeStats: avoid inf value in averageFPS" into rvc-dev am: dbc3025d am: c6f30115 am: be14939a am: 1e2ead7c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/11852484

Change-Id: I856c4f80dab9a14e6b5dc159827e46c02137c136