Some packages in the system image are not built against the SDK, so
enforcing hiddenapi checks for these will break them. Add a whitelist
for such packages.
For now, just add the contacts provider to the whitelist. The list will be
further populated later.
Test: Added test app package name to whitelist to verify.
Bug: 73244707
Merged-In: I94746b7f12dd9371d5068bb235eb853f63ee4d97
Change-Id: I1cbbd220c61b1b4b767c301f97096607ee902a7b