Adding example java binder service fuzzer

using fuzzService API to fuzz an test service.

Test: m java_binder_service_fuzzer &&
./jazzer_helper.sh --fuzz_target java_binder_service_fuzzer --target_class ServiceFuzzer
Bug: 258075558

Change-Id: If1ff082638eaec04e8ba9c4f8f7321c952b22f82

core/java/Android.bp

@@ -425,6 +425,16 @@ filegroup {
     ],
 }
 
+// This file group is used by service fuzzer
+filegroup {
+    name: "framework-core-sources-for-fuzzers",
+    srcs: [
+        "android/os/IInterface.java",
+        "android/os/Binder.java",
+        "android/os/IBinder.java",
+    ],
+}
+
 aidl_interface {
     name: "android.os.statsbootstrap_aidl",
     unstable: true,