Upstream local patches

[alloy]

• https://github.com/microsoft/flow2dts/tree/master/patches
• Some of https://github.com/microsoft/flow2dts/blob/main/workbench/react-native/v0.63.3/overrides.ts
• Some of https://github.com/microsoft/flow2dts/blob/main/workbench/react-native/d8b0997a/overrides.ts

Broken Flow code in upstream RN

• 4c15301: https://github.com/facebook/react-native/blob/e36247030575e93c1d7087cdb04e1498e9577056/Libraries/Components/SegmentedControlIOS/SegmentedControlIOS.ios.js#L120-L123
• 5e5ee95: https://github.com/facebook/react-native/blob/v0.63.3/Libraries/Utilities/ReactNativeTestTools.js#L31-L34
• eb4326b
• Also check if pieces of https://github.com/alloy/rn2dts/blob/master/patches/react-native%2B0.62.0-rc.2.patch still apply

Missing v0.63.3 typings from Flow dump

• sizesDiffer: 99aab6f
  Upstream's file has no explicit typings at all, so perhaps that's why there's no file in the Flow dump?
• DrawerLayoutAndroid: ad5c3af
• ProgressBarAndroid: 8a7a5fc
  See https://github.com/facebook/react-native/blob/e99b8bbb404f8cd1f11b6c7998083be530d7b8a4/Libraries/Components/ProgressBarAndroid/ProgressBarAndroid.android.js#L105-L107
• ToastAndroid: 493ca6c
• DeprecatedColorPropType: 044a112
• DeprecatedImageSourcePropType: c8e1c53
• DevSettings: 4a8501f (copied from master dump)
• EventEmitter: 61580d6 See also Treat namespace and class exports differently #19