Apply version script to future libcamera2ndk platform lib (cherrypick)

Bug: http://b/69603741
Test: make
Change-Id: Idd661042ec837d412a29b1b9b77d642a4a540900
Merged-In: Idd661042ec837d412a29b1b9b77d642a4a540900
diff --git a/camera/ndk/Android.bp b/camera/ndk/Android.bp
index 134341d..a55b5d6 100644
--- a/camera/ndk/Android.bp
+++ b/camera/ndk/Android.bp
@@ -69,4 +69,5 @@
             enabled: false,
         },
     },
+    version_script: "libcamera2ndk.map.txt",
 }