[pm] move more broadcast related code to BroadcastHelper

Just refactoring, as a preparation to remove PackageSender later.

BUG: 300314921
Test: atest com.android.server.pm.ApexManagerTest
Test: atest com.android.server.pm.DistractingPackageHelperTest
Test: atest com.android.server.pm.SuspendPackageHelperTest
Test: atest com.android.server.pm.PackageMonitorCallbackHelperTest
Test: atest com.android.server.pm.PackageManagerServiceTest

Change-Id: I8f95be1a3df6d262bd0fcc1232f4d4d540a5b049
25 files changed