Install Updater as a system privileged app

Ensure backward compatibility with previous release where Updater
was built in the tree, and thus ended up installed in
`/system/priv-app`.

FPIIM-742

Change-Id: I501b5ef023d55c2be3a026b18ea9bb3914528126
1 file changed
tree: 6ecc6bd06a2ecc4f2baa243055fc55fee38e6750
  1. prebuilts/
  2. Android.mk