Add @UnsupportedAppUsage annotations

For packages:
  android.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: Ic61019b1df85448a158fc2ba55c326353222c6b9
diff --git a/core/java/android/widget/CompoundButton.java b/core/java/android/widget/CompoundButton.java
index 0762b15..8d09489 100644
--- a/core/java/android/widget/CompoundButton.java
+++ b/core/java/android/widget/CompoundButton.java
@@ -19,6 +19,7 @@
 import android.annotation.DrawableRes;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.content.res.TypedArray;
@@ -59,14 +60,17 @@
     private static final String LOG_TAG = CompoundButton.class.getSimpleName();
 
     private boolean mChecked;
+    @UnsupportedAppUsage
     private boolean mBroadcasting;
 
+    @UnsupportedAppUsage
     private Drawable mButtonDrawable;
     private ColorStateList mButtonTintList = null;
     private PorterDuff.Mode mButtonTintMode = null;
     private boolean mHasButtonTint = false;
     private boolean mHasButtonTintMode = false;
 
+    @UnsupportedAppUsage
     private OnCheckedChangeListener mOnCheckedChangeListener;
     private OnCheckedChangeListener mOnCheckedChangeWidgetListener;