Persistent logging for expo-updates (#18513)

iOS:
- PersistentFileLog (class to write logs to a flat file)
- New PersistentLogHandler in LogHandler.swift
- OptionSet in Logger to use the new hand

Persistent logging for expo-updates (#18513)

iOS:
- PersistentFileLog (class to write logs to a flat file)
- New PersistentLogHandler in LogHandler.swift
- OptionSet in Logger to use the new handler (and support for future additions)
- Modify UpdatesLogger and UpdatesLogReader to use the above in place of OSLogReader
- Modify EXUpdatesModule to implement clearing the log file
- Unit tests for the above
- Modify EXUpdatesAppController to automatically purge old log entries on start

Android:
- New Logger and associated classes in expo-modules-core, same structure as iOS
- PersistentFileLog (class to write logs to a flat file)
- Options class LoggerOptions to use the new handler (and support for future additions)
- Modify UpdatesLogger and UpdatesLogReader to use the above in place of Android OS logging
- Modify UpdatesModule to implement clearing the log file
- Unit tests for the above
- Modify UpdatesController to automatically purge old log entries on start

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[expo-updates][iOS] Logging and log reading (#18284)

[expo-modules-core] Logger changes (#18271)