Add @UnsupportedAppUsage annotations

For packages:
  android.app.usage
  android.app.trust
  android.app.timezonedetector
  android.app.timezone
  android.app.timedetector
  android.app.job
  android.app.backup
  android.app.assist
  android.app.admin
  android.app

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: I618c5dc4462ae990d9df45c3e9ed3f092cc5138c
diff --git a/core/java/android/app/ActivityView.java b/core/java/android/app/ActivityView.java
index c7fa33d..c879db8 100644
--- a/core/java/android/app/ActivityView.java
+++ b/core/java/android/app/ActivityView.java
@@ -17,6 +17,7 @@
 package android.app;
 
 import android.annotation.NonNull;
+import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityManager.StackInfo;
 import android.content.Context;
 import android.content.Intent;
@@ -74,6 +75,7 @@
     private final CloseGuard mGuard = CloseGuard.get();
     private boolean mOpened; // Protected by mGuard.
 
+    @UnsupportedAppUsage
     public ActivityView(Context context) {
         this(context, null /* attrs */);
     }
@@ -156,6 +158,7 @@
      * @see StateCallback
      * @see #startActivity(PendingIntent)
      */
+    @UnsupportedAppUsage
     public void startActivity(@NonNull Intent intent) {
         final ActivityOptions options = prepareActivityOptions();
         getContext().startActivity(intent, options.toBundle());
@@ -198,6 +201,7 @@
      * @see StateCallback
      * @see #startActivity(Intent)
      */
+    @UnsupportedAppUsage
     public void startActivity(@NonNull PendingIntent pendingIntent) {
         final ActivityOptions options = prepareActivityOptions();
         try {
@@ -231,6 +235,7 @@
      *
      * @see StateCallback
      */
+    @UnsupportedAppUsage
     public void release() {
         if (mVirtualDisplay == null) {
             throw new IllegalStateException(