TRDS:[datetimepicker] Dark Calendar (2/2)

made hardcoded datetimepicker themeable

Change-Id: Ib5aa43fa6b4bf53bfc882589d00a58643fd6b215
trds: darker time picker [for red theme]

DeskClock is using red theme for time picker w/c is already dark
let's make it more darker

Change-Id: I829265c9e489a548bff74a199249b4f165ba2f92
datetimepicker: Fix white done button for TRDS landscape view

Fixes the white background for the "Done" button in the
    date picker dialog and time picker dialog while in
    landscape orientation and TRDS is on.

Change-Id: I53bf02a21f0bb8a223aca75bb9c658c9a4bc7ef8
datetimepicker: fix done button for TIMEpicker this time

Change-Id: Ia7cb93c3da2e9a85f9b03e2a80be45262b39c73a