Add @UnsupportedAppUsage annotations

For packages:
  com.android.internal
  com.android.internal.annotations
  com.android.internal.app
  com.android.internal.app.procstats
  com.android.internal.appwidget
  com.android.internal.backup
  com.android.internal.car
  com.android.internal.content
  com.android.internal.inputmethod
  com.android.internal.location
  com.android.internal.logging
  com.android.internal.midi
  com.android.internal.net
  com.android.internal.os
  com.android.internal.policy
  com.android.internal.statusbar
  com.android.internal.telecom
  com.android.internal.telephony.euicc
  com.android.internal.textservice
  com.android.internal.util
  com.android.internal.view
  com.android.internal.view.animation
  com.android.internal.view.menu
  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
Change-Id: I1c2954c5a579f073017c1794fd2d200e0a471602
Merged-In: Ib31b52e6957869e5744dadbb35cb4584ef17187f