Make wake() error fatal

If wake() fails to write to mWakeEventFd, the looper is
screwed. This is really a fatal, unrecoverable error,
so treat it as such.

This is possibly an explaination for the unexplained
random ANRs

Change-Id: I5af3e013493b475d8e902d8ee6340f331e5d86c8
1 file changed