* changes:
Fix typo in dexopt.secondary system property
Save package dex usage info after secondary dex reconciliation
Compile secondary dex files during background dexopt job
Add a shell command to force the background dexopt job
A bit more refactoring in BackgroundDexOptService
[PM] Clean up logic for secondary dex oat files
Compile secondary dex files in DexManager
Notify DexManager about new package installs