Add @UnsupportedAppUsage annotations

For packages:
  android.printservice.recommendation
  android.printservice
  android.print.pdf
  android.print

This is an automatically generated CL. See go/UnsupportedAppUsage
for more details.

Exempted-From-Owner-Approval: Mechanical changes to the codebase
which have been approved by Android API council and announced on
android-eng@

Bug: 110868826
Test: m
Change-Id: I97fb9c95dad2f93a8e989f3f48f323e9f76eaf31