Don't whitelist all system image apps.

Also include in system dump which packages are exempt from the api
restrictions.

This is a cherry-pick of 974290b032b4d98603925d36851422986a5d7d0e
from master.

Test: Verified that the device boots.
Bug: 64382372
Change-Id: Iaeca91478f53c8b4e9608246aab42bdb90f899bb
1 file changed