Use new UnsupportedAppUsage annotation.

Existing annotations in libcore/ and frameworks/ will deleted after the migration. This also means that any java library that compiles @UnsupportedAppUsage requires a direct dependency on "unsupportedappusage" java_library.

Bug: 145132366
Test: m && diff unsupportedappusage_index.csv
Change-Id: I8ffa1da1bcd43c25f4ff817575db77a33c0f3d31
Merged-In: I8ffa1da1bcd43c25f4ff817575db77a33c0f3d31
diff --git a/core/java/com/android/internal/widget/LockPatternChecker.java b/core/java/com/android/internal/widget/LockPatternChecker.java
index 09bc28c..d78b26a 100644
--- a/core/java/com/android/internal/widget/LockPatternChecker.java
+++ b/core/java/com/android/internal/widget/LockPatternChecker.java
@@ -1,6 +1,6 @@
 package com.android.internal.widget;
 
-import android.annotation.UnsupportedAppUsage;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.AsyncTask;
 
 import com.android.internal.widget.LockPatternUtils.RequestThrottledException;