Add local impl of mapper for libhidlmemory am: 74646ab019

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/2819045

Change-Id: I02c0fd9a1005f2fb7e4556631085f45f5f7700c3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/transport/Android.bp b/transport/Android.bp
index 10f31a7..e06a29f 100644
--- a/transport/Android.bp
+++ b/transport/Android.bp
@@ -24,3 +24,8 @@
 hidl_package_root {
     name: "android.hidl",
 }
+
+filegroup {
+    name: "checked_in_hidl_current",
+    srcs: ["current.txt"],
+}