Install auto-generrate overlay packages even when not included in whitelist

Detect auto-generated overlay packages according to the suffix
(.auto_generated_rro_vendor_ OR .auto_generated_rro_product_)

Bug: 156668533
Bug: 140120696
Test: logcat: set DEBUG=true
adb logcat UserManagerService | grep overlay
atest
FrameworksServicesTests:com.android.server.pm.UserSystemPackageInstallerTest
-c

Change-Id: I1835eb923bf2421b2e171be0ac0fa400b6fd38f7