Revert "Use our own Theme Manager files"

This reverts commit bc8ddb475b278ba61677328f593ed897a1fb63d6.

Change-Id: I1cd84af68fc5e5fd7a788da00d4ccf36e10cb74a
Use CM's theme config

Change-Id: I7ff3597ee62c6f99782d8283555243e04c262778
Signed-off-by: Lokesh Chamane <lokesh.c703@gmail.com>