Apply version-script to libmediandk library

Cherry-pick note: dropped the changes for API 29
Also fixed annotation for AMediaCodec_getBufferFormat correctly

Bug: http://b/69603741
Test: make
Merged-In: I1fd7d1d3dfdd567aa7398c48117c60344bd5e109
Change-Id: I1fd7d1d3dfdd567aa7398c48117c60344bd5e109
diff --git a/media/ndk/Android.bp b/media/ndk/Android.bp
index 4a36681..b17c0dd 100644
--- a/media/ndk/Android.bp
+++ b/media/ndk/Android.bp
@@ -91,6 +91,7 @@
             enabled: false,
         },
     },
+    version_script: "libmediandk.map.txt",
 }
 
 llndk_library {