ColorPickerSetting: Convert to ColorInt and place usable int into DB

* The ARGB that was being placed into the DB is not usable by
  Settings.AOKP.getInt() so convert the int color to a String (ARGB) and
  then further convert to to a ColorInt (int of the hex) -- Place this
  into the dB.

Change-Id: I11597a1b0bd6ba7afb9725101aaf84a8d2c5a709
Signed-off-by: Brandon McAnsh <brandon.mcansh@gmail.com>
Merge "ColorPickerSetting: Convert to ColorInt and place usable int into DB" into kitkat