Downgrade OOB warning of priv app to warning

We can't enforce priv apps to uncompress .dex and .so just yet until all
priv apps from Play have done so.

Also fix the wrong default value.

Test: build
Bug: 76440172
Bug: 63920015
Change-Id: I98ab7272702c1693752f8e4ecb53e1b1eb5e1f35