Add interface methods for testing vec<handle>.

Test: hidl_test
Bug: 32160974
Change-Id: I7eda1650fcf8d58778b2aad97a5bd62afc95bc36
diff --git a/tests/bar/1.0/default/Bar.cpp b/tests/bar/1.0/default/Bar.cpp
index 34ec087..b960524 100644
--- a/tests/bar/1.0/default/Bar.cpp
+++ b/tests/bar/1.0/default/Bar.cpp
@@ -130,6 +130,18 @@
     return Void();
 }
 
+Return<void> Bar::createMyHandle(createMyHandle_cb _hidl_cb) {
+    return mFoo->createMyHandle(_hidl_cb);
+}
+
+Return<void> Bar::createHandles(uint32_t size, createHandles_cb _hidl_cb) {
+    return mFoo->createHandles(size, _hidl_cb);
+}
+
+Return<void> Bar::closeHandles() {
+    return mFoo->closeHandles();
+}
+
 // Methods from ::android::hardware::tests::bar::V1_0::IBar follow.
 Return<void> Bar::thisIsNew()  {
     ALOGI("SERVER(Bar) thisIsNew");