Add @UnsupportedAppUsage annotations

For packages:
  com.android.internal.app
  com.android.internal.appwidget
  com.android.internal.location
  com.android.internal.os
  com.android.internal.policy
  com.android.internal.statusbar
  com.android.internal.telecom
  com.android.internal.telephony
  com.android.internal.widget

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
Merged-In: I6eba34467b2492047e5264684312adfa029eb317
Change-Id: I413c4b6dd12bcf40b69423718ed278cbefe82087