fb: TRDS 3.0 and new theme engine preparation (1/4)

All credit and thanks to Lars Greiss/@Slimroms

Change-Id: Ibe91a23929183681d9a14484d4c6f835d0322af0
fb: TRDS dark base theme

Change-Id: Ie25abfbf5258ac479ca8bc91033f6892bbbc6741