Flipper Release: v0.19.0

Summary:
== Highlights

- **Layout 2.0**: We have a new layout inspector that was rewritten from the ground to address all sorts of small bugs that like nodes not expanding that should all be gone now.
- **New Crash Reporter**: Flipper will now detect crashes on your device and give you easy access to them through a device plugin that you can find next to logs. Learn more at https://fbflipper.com/docs/crash-reporter-plugin.html.
- **Import/Export**: You can now import and export Flipper sessions as data to share them with others. Learn more at https://fbflipper.com/docs/share-flipper-data.html.

== Fixes

- Improved error reporting for what was previously summarised under "RecurringError". (bf9be74ad2)
- Fixed an issue where the color picker could get cut off. (f9ec0cd326) (https://github.com/facebook/flipper/issues/396)

Full list: https://github.com/facebook/flipper/compare/v0.18.0...v0.19.0

Reviewed By: priteshrnandgaonkar

Differential Revision: D14665281

fbshipit-source-id: 78ed042d38642356180f25455d0d17a03ed59c6b

xplat/Flipper/Flipper.podspec

@@ -1,4 +1,4 @@
-flipperkit_version = '0.18.0'
+flipperkit_version = '0.19.0'
 Pod::Spec.new do |spec|
   spec.name = 'Flipper'
   spec.version = flipperkit_version