[TIMOB-18078] iOS: FileStreamProxy invoke callback
[TIMOB-18078] FileStreamProxy correct event name
[TIMOB-18078] Bug Fix
[TIMOB-18078] Bug Fix
[TIMOB-18078] Bug Fix
Merge pull request #6382 from vishalduggal/timob-18078-35X

[TIMOB-18078] (3_5_X)  iOS: Ti.Stream.read() doesn't work with Ti.Filesystem.FileStream