Summary:
UI Debugger initialisation is defined in two places. Internally, done inside:
fb/FlipperKitUIDebuggerPluginInit.mm
OSS:
FlipperKitUIDebuggerPluginInit.mm
Contents of `fb/` directory are not synced in OSS. OSS file is excluded internally as it doesn't use the XPlugins.
Reviewed By: aigoncharov
Differential Revision: D47759035
fbshipit-source-id: 3578be076525f05b530a0d129b5c37e48572d58e