Revert "Revert "Revert "Disable navigation bar "on the fly", without reboot"""

This reverts commit 9ad1bd1b5b4cc62c3ada76909dfdad49c88d77a9.

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
keyguard: fix delay lock screen sound

Change-Id: Ia4cd2c856df1573856386e1597dcc0a9600d25a5
JIRA: CYAN-3362
Issue: https://jira.cyanogenmod.org/browse/CYAN-3362
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
[2/2] Left handed navbar during landscape mode

This patch allows for the navbar to be moved to the left side of the
screen during landscape mode. Left handed people are more used to this
option.

This patch must go with another patch that changes
packages/apps/Settings

Screenshot: http://i.imgur.com/jWqJcEV.png

Change-Id: Ic95e3fda1f55efd2ec908c8d7226e638ec0ab80a

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
Merge remote-tracking branch 'base/kitkat-remix' into remix-legacy
merge