Fix FileOberverTest for kernel 6.6 kernel 6.6 changed inotify behavior by combining notifications under some situation Test: atest FileObserverTest Bug: 323896645 (cherry picked from https://googleplex-android-review.googlesource.com/q/commit:f149e37f185130ab06bc74f70195e1b7b5d2e297) Merged-In: I2203f2f485623e330ed9009d07a99c8daefa2797 Change-Id: I2203f2f485623e330ed9009d07a99c8daefa2797