Specify the reason when sending the PACKAGE_CHANGED broadcast.

Bug: 433392586
Test: atest services/tests/PackageManagerServiceTests/server/src/com/android/server/pm/BroadcastHelperTest.java
Flag: android.content.pm.include_broadcast_debug_reason
Change-Id: I7e1e8f864fdde76e2674594167a18c6edbc02357