Fix NPE in FileObserver when multiple events pile in for a defunct observer.  Also, fix up some bogus whitespace (hard tabs, etc).
Fix NPE in FileObserver when multiple events pile in for a defunct
observer.  Also, fix up some bogus whitespace (hard tabs, etc).

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base