Make FdEventsReader#isRunning method as protected.

This allows subclasses of FdEventsReader can access isRunning() method
directly without maintaining its own mechanism to check if the instance
of FdEventsReader is still running.

Bug: 232680956
Bug: 233191218
Test: m
Change-Id: Iaaa07328f9804580cc2e413b5a50c0d69d8cfb2f
1 file changed
tree: f46c5026566b1e57173b2e42959e1c026462d976
  1. staticlibs/