Settings: Don't show protected apps options in restricted profiles.

Change-Id: I38c2e8fd3508d360f0e23703ce6c939f02f3714e
JIRA: 4668
Issue: https://jira.cyanogenmod.org/browse/CYAN-4668

Conflicts:
	src/com/android/settings/Utils.java
[2/2] TrafficMeter: added option for auto-hiding on inactivity

Together with inactivity threshold
Settings: Only show clear button when search field has text.

Change-Id: I69bf6a31a933459be2c652434aec412105395dcc
Cleanup.

Now that button and keyboard backlight don't use the HW framework
anymore, there's no point in having an abstraction for a single use case.

Change-Id: Ib66b2a29a105d53e3ba4273abb06977b132c1fc8
Settings: Modify AOSP EL translations

Change-Id: I7e3a59412a2884c26a5eb165676e381d003f0fca