Revert "PackageManager: Let com.tmobile.thememanager access privileged permissions"

This reverts commit 675e3ca4ba5438e6bd771d8f61b475bf2d741590.

Change-Id: I9b748f8310cc2dc29dbefa838aea624ce1743e85
Merge "Revert "PackageManager: Let com.tmobile.thememanager access privileged permissions"" into 4.4