Fix TRDS switch (2/2)

Add TRDSActions and TRDSConstant files to make on/off switch work in settings.
Do not add all the slim stuff just the TRDS part.

Rework settings structure to point to new files and add slim.themes path in androidmanifest to fix TRDS settings force close

Credit: crDroid

Change-Id: Ib642d9357bc9127680dbf97554a9f6b1835f30b2
Signed-off-by: iceandfire <arhamjamal@gmail.com>