Settings: Quiet Hours System Sounds (2/2)

Change-Id: If5df8bf5e3a1d201ade5f317c49b1c877cd499d9
Remove Dup strings

Change-Id: Idbdff63a501744d981e375eb96cd4f9f77f94f20
Merge branch 'kk4.4' of https://github.com/SlimRoms/packages_apps_Settings into DJL
Settings: Slimrecents background color && transparency [1/2]

Allow user to specify background color and transparency level
    for the slimrecents panel.

PS: now setting sticks through reboots and TRDS state
        changes. also, add reset to default color option.

PS: when resetting to default, use TRDS (png) resources
        instead of custom color

PS: properly set preference summary for default
        value ("TRDS default")

Change-Id: I8dd2543a3201b36f8c310de0da54f2f91ca474ef