Revert "platform: Fix the gid for the theme manager service"

This reverts commit 5dd5b8874098a0518c99dee66c5e27b302693890.

Change-Id: Iaaabf48901079c8b97a91db4310367330c5b0b95
Merge "Revert "platform: Fix the gid for the theme manager service"" into 4.4