Fix bug #15827043 - Stability: CursorIndexOutOfBoundsException in Settings:...

Fix bug #15827043 - Stability: CursorIndexOutOfBoundsException in Settings: Index -1 requested, with a size of 38

- ahhhh Monkeys, do not allow to have position < 0

Similar fix than the one done for:

mSuggestionsListView.setOnItemClickListener(...) in I3a8ded4c1471a1589134826539c9db1b551f49dd

Change-Id: I6ef266852e2c2ab5d0d0f6b4faf358b22d12bf6b