Re-enable RestricedApi check

Bug: 295107892
Test: ./gradlew lint
Change-Id: Ic59136a67971fe111ab2cca2c79701ec6d49bf05
diff --git a/leanback/leanback-preference/lint-baseline.xml b/leanback/leanback-preference/lint-baseline.xml
index e254a45..a587861 100644
--- a/leanback/leanback-preference/lint-baseline.xml
+++ b/leanback/leanback-preference/lint-baseline.xml
@@ -1,5 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<issues format="6" by="lint 8.2.0-alpha14" type="baseline" client="gradle" dependencies="false" name="AGP (8.2.0-alpha14)" variant="all" version="8.2.0-alpha14">
+<issues format="6" by="lint 8.2.0-alpha15" type="baseline" client="gradle" dependencies="false" name="AGP (8.2.0-alpha15)" variant="all" version="8.2.0-alpha15">
+
+    <issue
+        id="RestrictedApi"
+        message="PreferenceFragment.getCallbackFragment can only be called from within the same library (androidx.preference:preference)"
+        errorLine1="    public Fragment getCallbackFragment() {"
+        errorLine2="                    ~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="src/main/java/androidx/leanback/preference/BaseLeanbackPreferenceFragment.java"/>
+    </issue>
 
     <issue
         id="UnknownNullness"