Add android internal dirs to hiddenapi-mappings

Bug: 110868826
Test: m hiddenapi-mappings
Change-Id: Ie13962cc6a58af88e63a95c7f0d846aceda11f53
diff --git a/Android.bp b/Android.bp
index 56547b2..32e6691 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1626,6 +1626,7 @@
         ":openjdk_java_files",
         ":non_openjdk_java_files",
         ":opt-telephony-common-srcs",
+        "core/java/**/*.java",
     ],
     arg_files: [
         "core/res/AndroidManifest.xml",