Summary:
## Changelog:
[Android] [Fixed] - Fix a bug that returns a random number from callback argument `timeRemaining` of `idleCallbacks` registered by `requestIdleCallbacks`.
`global.performance.now()` returns a time from an unknown origin, while `frameTime` is epoch time. Thus, `global.performance.now() - frameTime` is just a random number rather than an elapsed time from the frame start time.
As a simple solution, I would suggest to use `Date.now()`.
Its resolution is lower than `frameTime` due to the security issue in JavaScript VM. So, it loses some precision, but, at least, it is not wrong.
Reviewed By: javache
Differential Revision: D40941461
fbshipit-source-id: b0094e181b97a844d133a9268fe48cd8c8fadfda
Yoonseok Ko
d9ab5e81cf