Themes: Add method to "apply all" a theme

Change-Id: Ic8feaeade6c52707e6b5b17921b1b577b94ec8cf
(cherry picked from commit e47f497dc07a0a354ea60155029085ae89ecb94a)
Themes: Add URI for querying previews of applied components.

Change-Id: I97417901f3b03fc82df5a823970991ddd8092df2
(cherry picked from commit c7f5049a9271fe10a5869d95ed3885f3cf563247)
quiethours: do not play screenshot sound

If we are in quiet hours do not play any sound when we take a screenshot.

Change-Id: Ideaa5c11611b7e3c9d6ca4d27e801cd2fb4eadac
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
(cherry picked from commit f523fdec13b0b7159675caa6d57504041e18459c)
WallpaperCropper: load wallpapers in the background

Change-Id: I134d94a85f25bf5db4c15fa9a89265c53e5b0c1d
Signed-off-by: Roman Birg <roman@cyngn.com>
(cherry picked from commit bb9a677dea428ef65d87177a63bd30acb53128bd)