diff --git a/java/sdk_library.go b/java/sdk_library.go
index e0100d4..30d120d 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -1772,6 +1772,8 @@
 	android.ApexModuleBase
 	android.SdkBase
 
+	hiddenAPI
+
 	properties sdkLibraryImportProperties
 
 	// Map from api scope to the scope specific property structure.
@@ -2046,6 +2048,8 @@
 			di := ctx.OtherModuleProvider(deapexerModule, android.DeapexerProvider).(android.DeapexerInfo)
 			if dexOutputPath := di.PrebuiltExportPath(module.BaseModuleName(), ".dexjar"); dexOutputPath != nil {
 				module.dexJarFile = dexOutputPath
+				module.initHiddenAPI(ctx, module.configurationName)
+				module.hiddenAPIExtractInformation(ctx, dexOutputPath, module.findScopePaths(apiScopePublic).stubsImplPath[0])
 			} else {
 				// This should never happen as a variant for a prebuilt_apex is only created if the
 				// prebuilt_apex has been configured to export the java library dex file.
diff --git a/java/testing.go b/java/testing.go
index 781106f..bfa1e6b 100644
--- a/java/testing.go
+++ b/java/testing.go
@@ -240,6 +240,7 @@
 }
 
 func CheckHiddenAPIRuleInputs(t *testing.T, expected string, hiddenAPIRule android.TestingBuildParams) {
+	t.Helper()
 	actual := strings.TrimSpace(strings.Join(android.NormalizePathsForTesting(hiddenAPIRule.Implicits), "\n"))
 	expected = strings.TrimSpace(expected)
 	if actual != expected {