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Summary: This PR fixes regression introduced in #17896 with IllegalStateException being thrown in FrameBasedAnimationDriver. After investigating it seemed that the root cause was the code responsible for looping animations that was setting next frame time by adding the frame interval to the current time. In some circumstances the next frame would run earlier than that and as a result the calculated frame index was negative. Here is the stacktrace as reported by axemclion https://github.com/facebook/react-native/pull/17896/files#r170007224 ``` Caused by: java.lang.IllegalStateException: Calculated frame index should never be lower than 0 at com.facebook.react.animated.FrameBasedAnimationDriver.runAnimationStep(FrameBasedAnimationDriver.java:60) at com.facebook.react.animated.NativeAnimatedNodesManager.runUpdates(NativeAnimatedNodesManager.java:444) at com.facebook.react.animated.NativeAnimatedModule$1.doFrameGuarded(NativeAnimatedModule.java:100) at com.facebook.react.uimanager.GuardedFrameCallback.doFrame(GuardedFrameCallback.java:29) ``` Run native animated tests suite. Run RNTester and scroll to the loop animation and see it working correctly [ANDROID][BUGFIX][Animated] - Fix exception thrown by timing animation when looping Closes https://github.com/facebook/react-native/pull/18061 Differential Revision: D7059335 Pulled By: hramos fbshipit-source-id: b08dfd1398d028eeeabeb11863743666379da374
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