Base: TRDS dark base theme

Change-Id: Ie25abfbf5258ac479ca8bc91033f6892bbbc6741
trds:[framework] dark images adjustments

Change-Id: Ie038c4a1aa535708c23f099fb5e836407e3d1603
TRDS: Dark DocumentsUI

for Downloads app

PS:
- fix settings

Change-Id: I87d49e97b8a0a67bd4d85f0137eb0960155428cb
trds: improve dialogs and menu popups

Change-Id: I54da4ac0236dfe16ee964ccb070944206d0544e2
trds: consistent glow for menu dropdown and popup

Change-Id: I248872cbd67471495f8b95036d995f25e2ca4459