emulator: move sepolicy to goldfish project

The sepolicies are emulator specific and are installed
under vendor partition, move them to the right location.

this cl does not impact real devices, as the selinux
rules are for emulator only

BUG: 110030159
Change-Id: I6acc27a3b787a3fafd9373c84492537185b184c5
Merged-In: I6acc27a3b787a3fafd9373c84492537185b184c5