logcat: -f <non-existent-directory>/<filename> segfaults am: 1ab87e7  -s ours
am: b87e8aa

* commit 'b87e8aa959fe989ee5827da700dbc7d14f69090f':
  logcat: -f <non-existent-directory>/<filename> segfaults

Change-Id: Iacf93730878777103545c3b0e1803f7b524882d1