Report non-primary dex files loads to PM

Scaffold for the reporting of non-primary dex files loads to the package
manager.

This will enable:
1) monitoring and compilation of secondary dex file
2) better way to track foreign dex file usage (used to determined the
compilation filter of apks).

Test: device boots
Bug: 32871170
Change-Id: Ib0fe076af2c734dd054f092247a1ec7e2a74a70d