Settings: Remove leftover from old theme chooser

Change-Id: Iaf97e2b94c27839eb4f9827a77917fe21a311b4c
disable showing user settings when secret mode is enabled

its enabled now anyways

Change-Id: I32cbd40078cbf3ddd2a5e98e21dd883d72e6b79b
Revert "[2/2] Buttons: Switch to last app"

This reverts commit 28a56e956858ac62a8dc6e50972f03c22cd3d86b.

Change-Id: I588372515272c416281c379d55ff56e39b3deb8b
Settings: add last app action to be assigned to hardware keys

Change-Id: I9004412528a7c32fecd7edea6167c1b80c51730d
Signed-off-by: Roman Birg <roman@cyngn.com>
Merge remote-tracking branch 'upstream/android-4.4' into android-4.4