HALO Colors (2/2)

Implements RootBox's Halo colors feature. Merge work credit to @Ayysir.
Thanks to @BigBrother1984 for assistance as well.

Signed-off-by: Evan Anderson <evan1124@gmail.com>

HALO: Speech bubble color and text color

TODO: Now ditch Halo Style and bring colors instead.... Because, users had a colorful mind. So let's bring in a colorpicker instead...

HALO: Circle color

HALO : Ability to enable/disable custom colors

Why? Because, we all know some themers might theme the halo bg or also maybe the speech bubbles, so we trying not to mess with the alternate colors... ;)

Also, the drawable are being color filtered...

HALO : Effect colors

Add dependency for halo colors

This file was added by rootbox for pie colors a long time ago and it is needed for
halo colors.

Change-Id: Ib1c5bfc0f704fa852f43fd3243a4ec3120cb8da8
Signed-off-by: Evan Anderson <evan1124@gmail.com>

Missing imports

Change-Id: Id8b4ccd0ed60f13bc5dbb70f82263f4418d038d9
Signed-off-by: Evan Anderson <evan1124@gmail.com>

One more missing import

Change-Id: I404b27ae96b534551784dc3942fb7267469ebabb
Signed-off-by: Evan Anderson <evan1124@gmail.com>