Add point to InitializeCore
Add point to InitializeCore

Summary: Adding perf marker point to the beginning of InitializeCore.

Reviewed By: TheSavior

Differential Revision: D10496350

fbshipit-source-id: 56c77414e0c31cf918377e95e3b0c236a5672e35

hammerandchisel/react-native,facebook/react-native,myntra/react-native,exponent/react-native,exponent/react-native,myntra/react-native,javache/react-native,janicduplessis/react-native,javache/react-native,exponentjs/react-native,exponentjs/react-native,exponentjs/react-native,javache/react-native,hoangpham95/react-native,facebook/react-native,facebook/react-native,javache/react-native,exponent/react-native,myntra/react-native,hammerandchisel/react-native,janicduplessis/react-native,myntra/react-native,exponentjs/react-native,janicduplessis/react-native,arthuralee/react-native,hammerandchisel/react-native,javache/react-native,hoangpham95/react-native,pandiaraj44/react-native,javache/react-native,facebook/react-native,hoangpham95/react-native,pandiaraj44/react-native,exponent/react-native,pandiaraj44/react-native,facebook/react-native,pandiaraj44/react-native,janicduplessis/react-native,hammerandchisel/react-native,facebook/react-native,javache/react-native,pandiaraj44/react-native,hoangpham95/react-native,janicduplessis/react-native,janicduplessis/react-native,exponent/react-native,janicduplessis/react-native,facebook/react-native,pandiaraj44/react-native,myntra/react-native,hoangpham95/react-native,arthuralee/react-native,javache/react-native,hammerandchisel/react-native,exponentjs/react-native,hoangpham95/react-native,exponent/react-native,myntra/react-native,hoangpham95/react-native,myntra/react-native,hammerandchisel/react-native,javache/react-native,facebook/react-native,exponentjs/react-native,hammerandchisel/react-native,myntra/react-native,hoangpham95/react-native,exponentjs/react-native,arthuralee/react-native,pandiaraj44/react-native,exponent/react-native,arthuralee/react-native,arthuralee/react-native,exponentjs/react-native,hammerandchisel/react-native,myntra/react-native,facebook/react-native,pandiaraj44/react-native,janicduplessis/react-native,exponent/react-native