Fix selectively hide AOKP changelog

onPrepareOptionsMenu is always called onCreateOptionsMenu. onCreateoptionsMenu is only
called once, the first time the menu is created. This ensures the changelog will always
be approprately hidden if it should be.

Change-Id: Ied76cb9b4ae82b0297fb58720a72bf4d1d3969a6
mGerrit: Bump version to v2.04.002 for market release

Change-Id: I5d5529dc7b017f1148ae4a320a3b55e5cf763979