Include sdk versioning proto in media apex

Allows SdkExtensions to inspect its version to decide what the extension
sdk version is on-device.

Bug: 188787081
Test: m com.android.media and inspect
Merged-In: I25df15ff35e004f63b2788e862df5778d21505f7
Change-Id: I25df15ff35e004f63b2788e862df5778d21505f7
diff --git a/apex/Android.bp b/apex/Android.bp
index 6d9d5c5..5a88d24 100644
--- a/apex/Android.bp
+++ b/apex/Android.bp
@@ -74,6 +74,7 @@
     manifest: "manifest.json",
     defaults: ["com.android.media-defaults"],
     prebuilts: [
+        "current_sdkinfo",
         "media-linker-config",
     ],
 }