[1/2] base: allow disabling call end sound

Change-Id: I4e5942de5c61dab9ee59cbf3b6599af32edb1d47
Merge "[1/2] base: allow disabling call end sound" into android-4.4
merge changes from Omni 4.4 into local branch

Conflicts:
	core/java/android/provider/Settings.java

Change-Id: Ib3035bd86af742b7c6b3a81c2493405f22d28961
base: ActiveDisplay: fix for disappearing notification bar

What a derp
http://jira.omnirom.org/browse/OMNI-158
http://jira.omnirom.org/browse/OMNI-101

PS2
dont do it on secure lockscreens

PS4
check if lookscreen is enabled

Change-Id: Idf7fd7c15fcd87e2efb62f0a234e15f1df1921e8

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/policy/activedisplay/ActiveDisplayView.java