Break cyclic dependency

[theKashey]

Logger uses react-hot-loader(to get flags), which uses proxies, which uses logger to inject logger into stand-in.
As result it injects null, and stand-in will throw an NPE instead of logging anything.

[codecov-io]

Codecov Report

Merging #822 into next will increase coverage by 0.06%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##             next     #822      +/-   ##
==========================================
+ Coverage   84.85%   84.92%   +0.06%     
==========================================
  Files          23       23              
  Lines         515      504      -11     
  Branches      129      140      +11     
==========================================
- Hits          437      428       -9     
+ Misses         59       56       -3     
- Partials       19       20       +1

Impacted Files	Coverage Δ
...ackages/react-hot-loader/src/reconciler/proxies.js	97.72% <ø> (+1.36%)	⬆️
packages/react-hot-loader/src/utils.dev.js	100% <100%> (+25%)	⬆️
...ckages/react-hot-loader/src/internal/reactUtils.js	92.3% <0%> (ø)	⬆️

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